BACK = 2

Back    = 2,

Back                 = 27,

Back                         = 8,

Back   = 0,

Back                   = 57618,

Back    = 1,

#define DIK_WEBBACK         0xEA    /* Web Back */
#define DIK_WEBBACK         0xEA    /* Web Back */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
• Ifndef DIJ_RINGZERO

#define DIKEYBOARD_WEBBACK                      0x810004EA    /* Web Back */
#define DIKEYBOARD_WEBBACK                      0x810004EA    /* Web Back */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

SIID_FOLDERBACK = 75,         // Folder back

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
• If (WINVER >= 0x0400)
• If (NTDDI_VERSION >= NTDDI_VISTA)

#define VARIANT_LOCALBOOL        0x10 // For VT_BOOL to VT_BSTR and back,

• If !defined( _OLEAUTO_H_ )

#define HHWIN_BUTTON_BACK           (1 << 2)    // Back button

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

enum InjectedInputShortcut
                    {
                        Back   = 0,
                        Start  = 1,
                        Search = 2
                    };

EAPACTION_Authenticate, // Invoke the back-end authenticator.

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
• If (WINVER >= 0x0500)

enum PlaneIntersectionType
{
    FRONT = 0,
    INTERSECTING = 1,
    BACK = 2
};

U_REGEX_INVALID_BACK_REF,             /**< Back-reference to a non-existent capture group.    */
    U_REGEX_INVALID_BACK_REF,             /**< Back-reference to a non-existent capture group.    */

• If (NTDDI_VERSION >= NTDDI_WIN10_RS3)
• If (NTDDI_VERSION >= NTDDI_WIN10_RS2)

#define DIBUTTON_STRATEGYT_BACK_LINK            0x0C0144E8 /* Fallback move back button */
#define DIBUTTON_STRATEGYT_BACK_LINK            0x0C0144E8 /* Fallback move back button */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define DIBUTTON_HUNTING_BACK_LINK              0x0D0144E8 /* Fallback move back button */
#define DIBUTTON_HUNTING_BACK_LINK              0x0D0144E8 /* Fallback move back button */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define DIBUTTON_FISHING_BACK_LINK              0x0E0144E8 /* Fallback move back button */
#define DIBUTTON_FISHING_BACK_LINK              0x0E0144E8 /* Fallback move back button */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define DIBUTTON_BASEBALLB_NOSTEAL              0x0F004409 /* Base runner goes back to a base */
#define DIBUTTON_BASEBALLB_NOSTEAL              0x0F004409 /* Base runner goes back to a base */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define DIBUTTON_BASEBALLB_BACK_LINK            0x0F0144E8 /* Fallback move back button */
#define DIBUTTON_BASEBALLB_BACK_LINK            0x0F0144E8 /* Fallback move back button */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define DIBUTTON_BASEBALLP_BACK_LINK            0x100144E8 /* Fallback move back button */
#define DIBUTTON_BASEBALLP_BACK_LINK            0x100144E8 /* Fallback move back button */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define DIBUTTON_BASEBALLF_BACK_LINK            0x110144E8 /* Fallback move back button */
#define DIBUTTON_BASEBALLF_BACK_LINK            0x110144E8 /* Fallback move back button */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define DIBUTTON_BBALLO_BACK_LINK               0x120144E8 /* Fallback move back button */
#define DIBUTTON_BBALLO_BACK_LINK               0x120144E8 /* Fallback move back button */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define DIBUTTON_BBALLD_BACK_LINK               0x130144E8 /* Fallback move back button */
#define DIBUTTON_BBALLD_BACK_LINK               0x130144E8 /* Fallback move back button */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define DIBUTTON_FOOTBALLQ_BACK_LINK            0x150144E8 /* Fallback move back button */
#define DIBUTTON_FOOTBALLQ_BACK_LINK            0x150144E8 /* Fallback move back button */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define DIBUTTON_FOOTBALLO_BACK_LINK            0x160144E8 /* Fallback move back button */
#define DIBUTTON_FOOTBALLO_BACK_LINK            0x160144E8 /* Fallback move back button */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define DIBUTTON_FOOTBALLD_BACK_LINK            0x170144E8 /* Fallback move back button */
#define DIBUTTON_FOOTBALLD_BACK_LINK            0x170144E8 /* Fallback move back button */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define DIBUTTON_GOLF_BACK_LINK                 0x180144E8 /* Fallback move back button */
#define DIBUTTON_GOLF_BACK_LINK                 0x180144E8 /* Fallback move back button */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define DIBUTTON_HOCKEYO_BACK_LINK              0x190144E8 /* Fallback move back button */
#define DIBUTTON_HOCKEYO_BACK_LINK              0x190144E8 /* Fallback move back button */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define DIBUTTON_HOCKEYD_BACK_LINK              0x1A0144E8 /* Fallback move back button */
#define DIBUTTON_HOCKEYD_BACK_LINK              0x1A0144E8 /* Fallback move back button */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define DIBUTTON_HOCKEYG_BACK_LINK              0x1B0144E8 /* Fallback move back button */
#define DIBUTTON_HOCKEYG_BACK_LINK              0x1B0144E8 /* Fallback move back button */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define DIBUTTON_SOCCERO_BACK_LINK              0x1E0144E8 /* Fallback move back button */
#define DIBUTTON_SOCCERO_BACK_LINK              0x1E0144E8 /* Fallback move back button */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define DIBUTTON_SOCCERD_BACK_LINK              0x1F0144E8 /* Fallback move back button */
#define DIBUTTON_SOCCERD_BACK_LINK              0x1F0144E8 /* Fallback move back button */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define DIBUTTON_RACQUET_BACK_LINK              0x200144E8 /* Fallback move back button */
#define DIBUTTON_RACQUET_BACK_LINK              0x200144E8 /* Fallback move back button */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define DIBUTTON_ARCADES_BACK_LINK              0x210144E8 /* Fallback move back button */
#define DIBUTTON_ARCADES_BACK_LINK              0x210144E8 /* Fallback move back button */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define DIBUTTON_ARCADEP_BACK_LINK              0x220144E8 /* Fallback move back button */
#define DIBUTTON_ARCADEP_BACK_LINK              0x220144E8 /* Fallback move back button */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define NERR_LocalForward       (NERR_BASE+179) /* Messages cannot be forwarded back to the same workstation. */
#define NERR_LocalForward       (NERR_BASE+179) /* Messages cannot be forwarded back to the same workstation. */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define XA_RBOTHER		XA_RBBASE+4						/* The resource manager rolled back the transaction branch for a reason not on this list */
#define XA_RBOTHER		XA_RBBASE+4						/* The resource manager rolled back the transaction branch for a reason not on this list */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define XA_HEURRB		6								/* the transaction branch has been heuristically rolled back */
#define XA_HEURRB		6								/* the transaction branch has been heuristically rolled back */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define XA_HEURMIX		5								/* the transaction branch has been heuristically committed and rolled back */
#define XA_HEURMIX		5								/* the transaction branch has been heuristically committed and rolled back */

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define WINEVENT_SKIPOWNTHREAD  0x0001  // Don't call back for events on installer's thread

• If (WINVER >= 0x0500)
• Ifndef NOWINABLE

#define WINEVENT_SKIPOWNPROCESS 0x0002  // Don't call back for events on installer's process

• If (WINVER >= 0x0500)
• Ifndef NOWINABLE

#define COMMON_LVB_REVERSE_VIDEO   0x4000 // DBCS: Reverse fore/back ground attribute.

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP | WINAPI_PARTITION_SYSTEM)
• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
• Ifndef GUID_DEFS_ONLY
• Ifndef _WINCON_

RpcBackEndConnectionAttempts, // Number of Back-End Connection Attempts per Second

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP | WINAPI_PARTITION_SYSTEM)
• If (NTDDI_VERSION >= NTDDI_WINXP)
• If (NTDDI_VERSION >= NTDDI_VISTA)

RpcBackEndConnectionFailed, // Number of Failed Back-End Connection Attempts per Second

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP | WINAPI_PARTITION_SYSTEM)
• If (NTDDI_VERSION >= NTDDI_WINXP)
• If (NTDDI_VERSION >= NTDDI_VISTA)

RpcIncomingBandwidth, // Total Incoming Bandwidth from Back-End Servers

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP | WINAPI_PARTITION_SYSTEM)
• If (NTDDI_VERSION >= NTDDI_WINXP)
• If (NTDDI_VERSION >= NTDDI_VISTA)

RpcOutgoingBandwidth, // Total Outgoing Bandwidth to Back-End Servers

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP | WINAPI_PARTITION_SYSTEM)
• If (NTDDI_VERSION >= NTDDI_WINXP)
• If (NTDDI_VERSION >= NTDDI_VISTA)

#define GLEX_PUSHBACK    0x4            // Place the char back in the source buffer for next token

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define FVSIF_NEWFAILED 0x08000000      // The new file passed back failed

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
• If (NTDDI_VERSION < NTDDI_WIN2K)

#define FLAG_LOOPBACK_MERGE     0x10000000  // planning mode RSoP assumes merge loop back

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP | WINAPI_PARTITION_SYSTEM)

#define FLAG_LOOPBACK_REPLACE   0x08000000  // planning mode RSoP assumes replace loop back

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP | WINAPI_PARTITION_SYSTEM)

#define INTERNET_FLAG_FWD_BACK          0x00000020  // fwd-back button op

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
• If !defined(_WININET_)

enum NavigationMode
                {
                    New     = 0,
                    Back    = 1,
                    Forward = 2,
                    Refresh = 3
                };

#define MUI_LANGUAGE_EXACT      0x10      // Don't fall back if language module is not found

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

NVSEPWriteCacheTypeWriteBack = 2,        // Miniport supports write back caching

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP | WINAPI_PARTITION_SYSTEM)

NvCacheTypeWriteBack      = 2,  // Device supports write back caching

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP | WINAPI_PARTITION_SYSTEM)

#define TDI_RECEIVE_NO_RESPONSE_EXP     0x00000100 // HINT: no back-traffic expected

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define TDI_SEND_NO_RESPONSE_EXPECTED ((USHORT)0x0080) // HINT: no back traffic expected.

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define TDI_SEND_AND_DISCONNECT       ((USHORT)0x0200) // Piggy back disconnect to remote and do not

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define CM_CDFLAGS_DRIVER      (0x00000001)     // CD_ulFlags: CD_szDescription reports back legacy driver name

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP | WINAPI_PARTITION_SYSTEM | WINAPI_PARTITION_APP)

#define  IE4_USEREFCNT      0x00000400      // use ref count to determin if the backup file should be put back

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define IDG_VS_TOOLBAR_PROJWIN_NAVIGATION           0x730  // Contains navigation commands for the Solution Explorer (back, forward, home)

SCC_MSG_RTN_CANCEL=-1,				// Returned from call-back to indicate cancel

SCC_MSG_RTN_OK=0,					// Returned from call-back to continue

#define CHANGER_CLEANER_AUTODISMOUNT        0x80000004 // The device will move the cleaner cartridge back into the slot when cleaning has completed.

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP | WINAPI_PARTITION_SYSTEM)

#define VIEW_PRIORITY_CACHEMISS     0x00000030  // if we have a cache miss, then we fall back to the 'all folders like this' default

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

enum Panel
            {
                Unknown = 0,
                Front   = 1,
                Back    = 2,
                Top     = 3,
                Bottom  = 4,
                Left    = 5,
                Right   = 6
            };

typedef enum RpcProxyPerfCounters
{
    RpcCurrentUniqueUser = 1,    //Current Number of Unique Users
    RpcBackEndConnectionAttempts, // Number of Back-End Connection Attempts per Second
    RpcBackEndConnectionFailed, // Number of Failed Back-End Connection Attempts per Second
    RpcRequestsPerSecond, //RPC/HTTP Requests per Second
    RpcIncomingConnections, //Current Number of Incoming RPC over HTTP Connections
    RpcIncomingBandwidth, // Total Incoming Bandwidth from Back-End Servers
    RpcOutgoingBandwidth, // Total Outgoing Bandwidth to Back-End Servers
    RpcAttemptedLbsDecisions, // Attempted RPC Load Balancing Decisions per Second
    RpcFailedLbsDecisions, // Failed RPC Load Balancing Decisions per Second
    RpcAttemptedLbsMessages, //Attempted RPC Load Balancing Broker Requests per Second
    RpcFailedLbsMessages, // Failed RPC Load Balancing Broker Requests per Second
    RpcLastCounter
} RpcPerfCounters;

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP | WINAPI_PARTITION_SYSTEM)
• If (NTDDI_VERSION >= NTDDI_WINXP)
• If (NTDDI_VERSION >= NTDDI_VISTA)

#define VIEW_PRIORITY_STALECACHEHIT 0x00000045  // we have stale registry info for the view, so we fall back to the 'all folders like this' default

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#define JET_bitDurableCommitCallbackLogUnavailable      0x00000001  // Passed back to durable commit callback to let it know that log is down (and all pending commits will not be flushed to disk)

• If !defined(_JET_INCLUDED)
• If ( JET_VERSION >= 0x0602 )
• If ( JET_VERSION >= 0x0A00 )

#define JET_paramEnableShrinkDatabase           184 //  Release space back to the OS when deleting data. This may require an OS feature of Sparse Files, and is subject to change.

• If !defined(_JET_INCLUDED)
• If ( JET_VERSION >= 0x0603 )

#define JET_bitShrinkDatabaseRealtime       0x2     // Attempts to reclaim space back to the file system after freeing significant amounts of data (when space is marked as Available to the Root space tree).

• If !defined(_JET_INCLUDED)
• If ( JET_VERSION >= 0x0603 )

typedef enum _NV_SEP_WRITE_CACHE_TYPE    {
    NVSEPWriteCacheTypeUnknown    = 0,       // Miniport can't report the type of the write cache
    NVSEPWriteCacheTypeNone      = 1,        // Miniport doesn't support non volatile write cache
    NVSEPWriteCacheTypeWriteBack = 2,        // Miniport supports write back caching
    NVSEPWriteCacheTypeWriteThrough = 3      // Miniport supports write through caching
} NV_SEP_WRITE_CACHE_TYPE, *PNV_SEP_WRITE_CACHE_TYPE;

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP | WINAPI_PARTITION_SYSTEM)

typedef enum _NVCACHE_TYPE {
    NvCacheTypeUnknown        = 0,  // Driver can't report the type of the nvcache
    NvCacheTypeNone           = 1,  // Device doesn't support non-volatile cache
    NvCacheTypeWriteBack      = 2,  // Device supports write back caching
    NvCacheTypeWriteThrough   = 3   // Device supports write through caching
} NVCACHE_TYPE;

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP | WINAPI_PARTITION_SYSTEM)

enum
{
	SCC_MSG_RTN_CANCEL=-1,				// Returned from call-back to indicate cancel
	SCC_MSG_RTN_OK=0,					// Returned from call-back to continue
	SCC_MSG_INFO=1,						// Message is informational
	SCC_MSG_WARNING,					// Message is a warning
	SCC_MSG_ERROR,						// Message is an error
	SCC_MSG_STATUS,						// Message is meant for status bar
	SCC_MSG_DOCANCEL,					// No text, IDE returns 0 or SCC_MSG_RTN_CANCEL
	SCC_MSG_STARTCANCEL,				// Start a cancel loop
	SCC_MSG_STOPCANCEL,					// Stop the cancel loop

	SCC_MSG_BACKGROUND_IS_CANCELLED,		// IDE returns 0 if the operation is not cancelled or SCC_MSG_RTN_CANCEL if it is.
	SCC_MSG_BACKGROUND_ON_BEFORE_GET_FILE,	// Called before file file is retrived. Cast first argument to SccMsgDataOnBeforeGetFile structure pointer. 
	SCC_MSG_BACKGROUND_ON_AFTER_GET_FILE,	// Called after file was processed. Cast first argument to SccMsgDataOnAfterGetFile structure pointer.
	SCC_MSG_BACKGROUND_ON_MESSAGE			// Called to provide information about background processing. Cast first argument to SccMsgDataOnMessage structure pointer.
};

typedef enum _PPP_EAP_ACTION
{

    EAPACTION_NoAction,     // Be passive, i.e. listen without timeout (default)
    EAPACTION_Authenticate, // Invoke the back-end authenticator.
    EAPACTION_Done,         // End auth session, dwAuthResultCode is set
    EAPACTION_SendAndDone,  // As above but send message without timeout first
    EAPACTION_Send,         // Send message, don't timeout waiting for reply
    EAPACTION_SendWithTimeout, // Send message, timeout if reply not received
    EAPACTION_SendWithTimeoutInteractive,  // As above, but don't increment

    EAPACTION_IndicateTLV,		// Do not use
    EAPACTION_IndicateIdentity	// Do not use
}PPP_EAP_ACTION;

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
• If (WINVER >= 0x0500)

enum GameControllerButtonLabel
            {
                None                 = 0,
                XboxBack             = 1,
                XboxStart            = 2,
                XboxMenu             = 3,
                XboxView             = 4,
                XboxUp               = 5,
                XboxDown             = 6,
                XboxLeft             = 7,
                XboxRight            = 8,
                XboxA                = 9,
                XboxB                = 10,
                XboxX                = 11,
                XboxY                = 12,
                XboxLeftBumper       = 13,
                XboxLeftTrigger      = 14,
                XboxLeftStickButton  = 15,
                XboxRightBumper      = 16,
                XboxRightTrigger     = 17,
                XboxRightStickButton = 18,
                XboxPaddle1          = 19,
                XboxPaddle2          = 20,
                XboxPaddle3          = 21,
                XboxPaddle4          = 22,
                Mode                 = 23,
                Select               = 24,
                Menu                 = 25,
                View                 = 26,
                Back                 = 27,
                Start                = 28,
                Options              = 29,
                Share                = 30,
                Up                   = 31,
                Down                 = 32,
                Left                 = 33,
                Right                = 34,
                LetterA              = 35,
                LetterB              = 36,
                LetterC              = 37,
                LetterL              = 38,
                LetterR              = 39,
                LetterX              = 40,
                LetterY              = 41,
                LetterZ              = 42,
                Cross                = 43,
                Circle               = 44,
                Square               = 45,
                Triangle             = 46,
                LeftBumper           = 47,
                LeftTrigger          = 48,
                LeftStickButton      = 49,
                Left1                = 50,
                Left2                = 51,
                Left3                = 52,
                RightBumper          = 53,
                RightTrigger         = 54,
                RightStickButton     = 55,
                Right1               = 56,
                Right2               = 57,
                Right3               = 58,
                Paddle1              = 59,
                Paddle2              = 60,
                Paddle3              = 61,
                Paddle4              = 62,
                Plus                 = 63,
                Minus                = 64,
                DownLeftArrow        = 65,
                DialLeft             = 66,
                DialRight            = 67,
                Suspension           = 68
            };

typedef enum SHSTOCKICONID
{
    SIID_DOCNOASSOC = 0,          // document (blank page), no associated program
    SIID_DOCASSOC = 1,            // document with an associated program
    SIID_APPLICATION = 2,         // generic application with no custom icon
    SIID_FOLDER = 3,              // folder (closed)
    SIID_FOLDEROPEN = 4,          // folder (open)
    SIID_DRIVE525 = 5,            // 5.25" floppy disk drive
    SIID_DRIVE35 = 6,             // 3.5" floppy disk drive
    SIID_DRIVEREMOVE = 7,         // removable drive
    SIID_DRIVEFIXED = 8,          // fixed (hard disk) drive
    SIID_DRIVENET = 9,            // network drive
    SIID_DRIVENETDISABLED = 10,   // disconnected network drive
    SIID_DRIVECD = 11,            // CD drive
    SIID_DRIVERAM = 12,           // RAM disk drive
    SIID_WORLD = 13,              // entire network
    SIID_SERVER = 15,             // a computer on the network
    SIID_PRINTER = 16,            // printer
    SIID_MYNETWORK = 17,          // My network places
    SIID_FIND = 22,               // Find
    SIID_HELP = 23,               // Help
    SIID_SHARE = 28,              // overlay for shared items
    SIID_LINK = 29,               // overlay for shortcuts to items
    SIID_SLOWFILE = 30,           // overlay for slow items
    SIID_RECYCLER = 31,           // empty recycle bin
    SIID_RECYCLERFULL = 32,       // full recycle bin
    SIID_MEDIACDAUDIO = 40,       // Audio CD Media
    SIID_LOCK = 47,               // Security lock
    SIID_AUTOLIST = 49,           // AutoList
    SIID_PRINTERNET = 50,         // Network printer
    SIID_SERVERSHARE = 51,        // Server share
    SIID_PRINTERFAX = 52,         // Fax printer
    SIID_PRINTERFAXNET = 53,      // Networked Fax Printer
    SIID_PRINTERFILE = 54,        // Print to File
    SIID_STACK = 55,              // Stack
    SIID_MEDIASVCD = 56,          // SVCD Media
    SIID_STUFFEDFOLDER = 57,      // Folder containing other items
    SIID_DRIVEUNKNOWN = 58,       // Unknown drive
    SIID_DRIVEDVD = 59,           // DVD Drive
    SIID_MEDIADVD = 60,           // DVD Media
    SIID_MEDIADVDRAM = 61,        // DVD-RAM Media
    SIID_MEDIADVDRW = 62,         // DVD-RW Media
    SIID_MEDIADVDR = 63,          // DVD-R Media
    SIID_MEDIADVDROM = 64,        // DVD-ROM Media
    SIID_MEDIACDAUDIOPLUS = 65,   // CD+ (Enhanced CD) Media
    SIID_MEDIACDRW = 66,          // CD-RW Media
    SIID_MEDIACDR = 67,           // CD-R Media
    SIID_MEDIACDBURN = 68,        // Burning CD
    SIID_MEDIABLANKCD = 69,       // Blank CD Media
    SIID_MEDIACDROM = 70,         // CD-ROM Media
    SIID_AUDIOFILES = 71,         // Audio files
    SIID_IMAGEFILES = 72,         // Image files
    SIID_VIDEOFILES = 73,         // Video files
    SIID_MIXEDFILES = 74,         // Mixed files
    SIID_FOLDERBACK = 75,         // Folder back
    SIID_FOLDERFRONT = 76,        // Folder front
    SIID_SHIELD = 77,             // Security shield. Use for UAC prompts only.
    SIID_WARNING = 78,            // Warning
    SIID_INFO = 79,               // Informational
    SIID_ERROR = 80,              // Error
    SIID_KEY = 81,                // Key / Secure
    SIID_SOFTWARE = 82,           // Software
    SIID_RENAME = 83,             // Rename
    SIID_DELETE = 84,             // Delete
    SIID_MEDIAAUDIODVD = 85,      // Audio DVD Media
    SIID_MEDIAMOVIEDVD = 86,      // Movie DVD Media
    SIID_MEDIAENHANCEDCD = 87,    // Enhanced CD Media
    SIID_MEDIAENHANCEDDVD = 88,   // Enhanced DVD Media
    SIID_MEDIAHDDVD = 89,         // HD-DVD Media
    SIID_MEDIABLURAY = 90,        // BluRay Media
    SIID_MEDIAVCD = 91,           // VCD Media
    SIID_MEDIADVDPLUSR = 92,      // DVD+R Media
    SIID_MEDIADVDPLUSRW = 93,     // DVD+RW Media
    SIID_DESKTOPPC = 94,          // desktop computer
    SIID_MOBILEPC = 95,           // mobile computer (laptop/notebook)
    SIID_USERS = 96,              // users
    SIID_MEDIASMARTMEDIA = 97,    // Smart Media
    SIID_MEDIACOMPACTFLASH = 98,  // Compact Flash
    SIID_DEVICECELLPHONE = 99,    // Cell phone
    SIID_DEVICECAMERA = 100,      // Camera
    SIID_DEVICEVIDEOCAMERA = 101, // Video camera
    SIID_DEVICEAUDIOPLAYER = 102, // Audio player
    SIID_NETWORKCONNECT = 103,    // Connect to network
    SIID_INTERNET = 104,          // Internet
    SIID_ZIPFILE = 105,           // ZIP file
    SIID_SETTINGS = 106,          // Settings
    SIID_DRIVEHDDVD = 132,        // HDDVD Drive (all types)
    SIID_DRIVEBD = 133,           // BluRay Drive (all types)
    SIID_MEDIAHDDVDROM = 134,     // HDDVD-ROM Media
    SIID_MEDIAHDDVDR = 135,       // HDDVD-R Media
    SIID_MEDIAHDDVDRAM = 136,     // HDDVD-RAM Media
    SIID_MEDIABDROM = 137,        // BluRay ROM Media
    SIID_MEDIABDR = 138,          // BluRay R Media
    SIID_MEDIABDRE = 139,         // BluRay RE Media (Rewriable and RAM)
    SIID_CLUSTEREDDRIVE = 140,    // Clustered disk
    SIID_MAX_ICONS = 181,
} SHSTOCKICONID;

• If WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
• If (WINVER >= 0x0400)
• If (NTDDI_VERSION >= NTDDI_VISTA)

enum Symbol
                {
                    Previous               = 57600,
                    Next                   = 57601,
                    Play                   = 57602,
                    Pause                  = 57603,
                    Edit                   = 57604,
                    Save                   = 57605,
                    Clear                  = 57606,
                    Delete                 = 57607,
                    Remove                 = 57608,
                    Add                    = 57609,
                    Cancel                 = 57610,
                    Accept                 = 57611,
                    More                   = 57612,
                    Redo                   = 57613,
                    Undo                   = 57614,
                    Home                   = 57615,
                    Up                     = 57616,
                    Forward                = 57617,
                    Back                   = 57618,
                    Favorite               = 57619,
                    Camera                 = 57620,
                    Setting                = 57621,
                    Video                  = 57622,
                    Sync                   = 57623,
                    Download               = 57624,
                    Mail                   = 57625,
                    Find                   = 57626,
                    Help                   = 57627,
                    Upload                 = 57628,
                    Emoji                  = 57629,
                    TwoPage                = 57630,
                    LeaveChat              = 57631,
                    MailForward            = 57632,
                    Clock                  = 57633,
                    Send                   = 57634,
                    Crop                   = 57635,
                    RotateCamera           = 57636,
                    People                 = 57637,
                    OpenPane               = 57638,
                    ClosePane              = 57639,
                    World                  = 57640,
                    Flag                   = 57641,
                    PreviewLink            = 57642,
                    Globe                  = 57643,
                    Trim                   = 57644,
                    AttachCamera           = 57645,
                    ZoomIn                 = 57646,
                    Bookmarks              = 57647,
                    Document               = 57648,
                    ProtectedDocument      = 57649,
                    Page                   = 57650,
                    Bullets                = 57651,
                    Comment                = 57652,
                    MailFilled             = 57653,
                    ContactInfo            = 57654,
                    HangUp                 = 57655,
                    ViewAll                = 57656,
                    MapPin                 = 57657,
                    Phone                  = 57658,
                    VideoChat              = 57659,
                    Switch                 = 57660,
                    Contact                = 57661,
                    Rename                 = 57662,
                    Pin                    = 57665,
                    MusicInfo              = 57666,
                    Go                     = 57667,
                    Keyboard               = 57668,
                    DockLeft               = 57669,
                    DockRight              = 57670,
                    DockBottom             = 57671,
                    Remote                 = 57672,
                    Refresh                = 57673,
                    Rotate                 = 57674,
                    Shuffle                = 57675,
                    List                   = 57676,
                    Shop                   = 57677,
                    SelectAll              = 57678,
                    Orientation            = 57679,
                    Import                 = 57680,
                    ImportAll              = 57681,
                    BrowsePhotos           = 57685,
                    WebCam                 = 57686,
                    Pictures               = 57688,
                    SaveLocal              = 57689,
                    Caption                = 57690,
                    Stop                   = 57691,
                    ShowResults            = 57692,
                    Volume                 = 57693,
                    Repair                 = 57694,
                    Message                = 57695,
                    Page2                  = 57696,
                    CalendarDay            = 57697,
                    CalendarWeek           = 57698,
                    Calendar               = 57699,
                    Character              = 57700,
                    MailReplyAll           = 57701,
                    Read                   = 57702,
                    Link                   = 57703,
                    Account                = 57704,
                    ShowBcc                = 57705,
                    HideBcc                = 57706,
                    Cut                    = 57707,
                    Attach                 = 57708,
                    Paste                  = 57709,
                    Filter                 = 57710,
                    Copy                   = 57711,
                    Emoji2                 = 57712,
                    Important              = 57713,
                    MailReply              = 57714,
                    SlideShow              = 57715,
                    Sort                   = 57716,
                    Manage                 = 57720,
                    AllApps                = 57721,
                    DisconnectDrive        = 57722,
                    MapDrive               = 57723,
                    NewWindow              = 57724,
                    OpenWith               = 57725,
                    ContactPresence        = 57729,
                    Priority               = 57730,
                    GoToToday              = 57732,
                    Font                   = 57733,
                    FontColor              = 57734,
                    Contact2               = 57735,
                    Folder                 = 57736,
                    Audio                  = 57737,
                    Placeholder            = 57738,
                    View                   = 57739,
                    SetLockScreen          = 57740,
                    SetTile                = 57741,
                    ClosedCaption          = 57744,
                    StopSlideShow          = 57745,
                    Permissions            = 57746,
                    Highlight              = 57747,
                    DisableUpdates         = 57748,
                    UnFavorite             = 57749,
                    UnPin                  = 57750,
                    OpenLocal              = 57751,
                    Mute                   = 57752,
                    Italic                 = 57753,
                    Underline              = 57754,
                    Bold                   = 57755,
                    MoveToFolder           = 57756,
                    LikeDislike            = 57757,
                    Dislike                = 57758,
                    Like                   = 57759,
                    AlignRight             = 57760,
                    AlignCenter            = 57761,
                    AlignLeft              = 57762,
                    Zoom                   = 57763,
                    ZoomOut                = 57764,
                    OpenFile               = 57765,
                    OtherUser              = 57766,
                    Admin                  = 57767,
                    Street                 = 57795,
                    Map                    = 57796,
                    ClearSelection         = 57797,
                    FontDecrease           = 57798,
                    FontIncrease           = 57799,
                    FontSize               = 57800,
                    CellPhone              = 57801,
                    ReShare                = 57802,
                    Tag                    = 57803,
                    RepeatOne              = 57804,
                    RepeatAll              = 57805,
                    OutlineStar            = 57806,
                    SolidStar              = 57807,
                    Calculator             = 57808,
                    Directions             = 57809,
                    Target                 = 57810,
                    Library                = 57811,
                    PhoneBook              = 57812,
                    Memo                   = 57813,
                    Microphone             = 57814,
                    PostUpdate             = 57815,
                    BackToWindow           = 57816,
                    FullScreen             = 57817,
                    NewFolder              = 57818,
                    CalendarReply          = 57819,
                    UnSyncFolder           = 57821,
                    ReportHacked           = 57822,
                    SyncFolder             = 57823,
                    BlockContact           = 57824,
                    SwitchApps             = 57825,
                    AddFriend              = 57826,
                    TouchPointer           = 57827,
                    GoToStart              = 57828,
                    ZeroBars               = 57829,
                    OneBar                 = 57830,
                    TwoBars                = 57831,
                    ThreeBars              = 57832,
                    FourBars               = 57833,
                    Scan                   = 58004,
                    Preview                = 58005,
                    [contract(Windows.Foundation.UniversalApiContract, 5.0)]
                    GlobalNavigationButton = 59136,
                    [contract(Windows.Foundation.UniversalApiContract, 5.0)]
                    Share                  = 59181,
                    [contract(Windows.Foundation.UniversalApiContract, 5.0)]
                    Print                  = 59209,
                    [contract(Windows.Foundation.UniversalApiContract, 5.0)]
                    XboxOneConsole         = 59792
                };

enum VirtualKey
        {
            None                         = 0,
            LeftButton                   = 1,
            RightButton                  = 2,
            Cancel                       = 3,
            MiddleButton                 = 4,
            XButton1                     = 5,
            XButton2                     = 6,
            Back                         = 8,
            Tab                          = 9,
            Clear                        = 12,
            Enter                        = 13,
            Shift                        = 16,
            Control                      = 17,
            Menu                         = 18,
            Pause                        = 19,
            CapitalLock                  = 20,
            Kana                         = 21,
            Hangul                       = 21,
            Junja                        = 23,
            Final                        = 24,
            Hanja                        = 25,
            Kanji                        = 25,
            Escape                       = 27,
            Convert                      = 28,
            NonConvert                   = 29,
            Accept                       = 30,
            ModeChange                   = 31,
            Space                        = 32,
            PageUp                       = 33,
            PageDown                     = 34,
            End                          = 35,
            Home                         = 36,
            Left                         = 37,
            Up                           = 38,
            Right                        = 39,
            Down                         = 40,
            Select                       = 41,
            Print                        = 42,
            Execute                      = 43,
            Snapshot                     = 44,
            Insert                       = 45,
            Delete                       = 46,
            Help                         = 47,
            Number0                      = 48,
            Number1                      = 49,
            Number2                      = 50,
            Number3                      = 51,
            Number4                      = 52,
            Number5                      = 53,
            Number6                      = 54,
            Number7                      = 55,
            Number8                      = 56,
            Number9                      = 57,
            A                            = 65,
            B                            = 66,
            C                            = 67,
            D                            = 68,
            E                            = 69,
            F                            = 70,
            G                            = 71,
            H                            = 72,
            I                            = 73,
            J                            = 74,
            K                            = 75,
            L                            = 76,
            M                            = 77,
            N                            = 78,
            O                            = 79,
            P                            = 80,
            Q                            = 81,
            R                            = 82,
            S                            = 83,
            T                            = 84,
            U                            = 85,
            V                            = 86,
            W                            = 87,
            X                            = 88,
            Y                            = 89,
            Z                            = 90,
            LeftWindows                  = 91,
            RightWindows                 = 92,
            Application                  = 93,
            Sleep                        = 95,
            NumberPad0                   = 96,
            NumberPad1                   = 97,
            NumberPad2                   = 98,
            NumberPad3                   = 99,
            NumberPad4                   = 100,
            NumberPad5                   = 101,
            NumberPad6                   = 102,
            NumberPad7                   = 103,
            NumberPad8                   = 104,
            NumberPad9                   = 105,
            Multiply                     = 106,
            Add                          = 107,
            Separator                    = 108,
            Subtract                     = 109,
            Decimal                      = 110,
            Divide                       = 111,
            F1                           = 112,
            F2                           = 113,
            F3                           = 114,
            F4                           = 115,
            F5                           = 116,
            F6                           = 117,
            F7                           = 118,
            F8                           = 119,
            F9                           = 120,
            F10                          = 121,
            F11                          = 122,
            F12                          = 123,
            F13                          = 124,
            F14                          = 125,
            F15                          = 126,
            F16                          = 127,
            F17                          = 128,
            F18                          = 129,
            F19                          = 130,
            F20                          = 131,
            F21                          = 132,
            F22                          = 133,
            F23                          = 134,
            F24                          = 135,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            NavigationView               = 136,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            NavigationMenu               = 137,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            NavigationUp                 = 138,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            NavigationDown               = 139,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            NavigationLeft               = 140,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            NavigationRight              = 141,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            NavigationAccept             = 142,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            NavigationCancel             = 143,
            NumberKeyLock                = 144,
            Scroll                       = 145,
            LeftShift                    = 160,
            RightShift                   = 161,
            LeftControl                  = 162,
            RightControl                 = 163,
            LeftMenu                     = 164,
            RightMenu                    = 165,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GoBack                       = 166,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GoForward                    = 167,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            Refresh                      = 168,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            Stop                         = 169,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            Search                       = 170,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            Favorites                    = 171,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GoHome                       = 172,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadA                     = 195,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadB                     = 196,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadX                     = 197,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadY                     = 198,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadRightShoulder         = 199,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadLeftShoulder          = 200,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadLeftTrigger           = 201,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadRightTrigger          = 202,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadDPadUp                = 203,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadDPadDown              = 204,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadDPadLeft              = 205,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadDPadRight             = 206,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadMenu                  = 207,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadView                  = 208,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadLeftThumbstickButton  = 209,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadRightThumbstickButton = 210,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadLeftThumbstickUp      = 211,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadLeftThumbstickDown    = 212,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadLeftThumbstickRight   = 213,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadLeftThumbstickLeft    = 214,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadRightThumbstickUp     = 215,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadRightThumbstickDown   = 216,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadRightThumbstickRight  = 217,
            [contract(Windows.Foundation.UniversalApiContract, 1.0)]
            GamepadRightThumbstickLeft   = 218
        };

typedef enum UErrorCode {
    /* The ordering of U_ERROR_INFO_START Vs U_USING_FALLBACK_WARNING looks weird
     */

    U_USING_FALLBACK_WARNING  = -128,   /**< A resource bundle lookup returned a fallback result (not an error) */
    U_USING_FALLBACK_WARNING  = -128,   /**< A resource bundle lookup returned a fallback result (not an error) */

    U_ERROR_WARNING_START     = -128,   /**< Start of information results (semantically successful) */
    U_ERROR_WARNING_START     = -128,   /**< Start of information results (semantically successful) */

    U_USING_DEFAULT_WARNING   = -127,   /**< A resource bundle lookup returned a result from the root locale (not an error) */
    U_USING_DEFAULT_WARNING   = -127,   /**< A resource bundle lookup returned a result from the root locale (not an error) */

    U_SAFECLONE_ALLOCATED_WARNING = -126, /**< A SafeClone operation required allocating memory (informational only) */
    U_SAFECLONE_ALLOCATED_WARNING = -126, /**< A SafeClone operation required allocating memory (informational only) */

    U_STATE_OLD_WARNING       = -125,   /**< ICU has to use compatibility layer to construct the service. Expect performance/memory usage degradation. Consider upgrading */
    U_STATE_OLD_WARNING       = -125,   /**< ICU has to use compatibility layer to construct the service. Expect performance/memory usage degradation. Consider upgrading */

    U_STRING_NOT_TERMINATED_WARNING = -124,/**< An output string could not be NUL-terminated because output length==destCapacity. */
    U_STRING_NOT_TERMINATED_WARNING = -124,/**< An output string could not be NUL-terminated because output length==destCapacity. */

    U_SORT_KEY_TOO_SHORT_WARNING = -123, /**< Number of levels requested in getBound is higher than the number of levels in the sort key */
    U_SORT_KEY_TOO_SHORT_WARNING = -123, /**< Number of levels requested in getBound is higher than the number of levels in the sort key */

    U_AMBIGUOUS_ALIAS_WARNING = -122,   /**< This converter alias can go to different converter implementations */
    U_AMBIGUOUS_ALIAS_WARNING = -122,   /**< This converter alias can go to different converter implementations */

    U_DIFFERENT_UCA_VERSION = -121,     /**< ucol_open encountered a mismatch between UCA version and collator image version, so the collator was constructed from rules. No impact to further function */
    U_DIFFERENT_UCA_VERSION = -121,     /**< ucol_open encountered a mismatch between UCA version and collator image version, so the collator was constructed from rules. No impact to further function */
    
    U_PLUGIN_CHANGED_LEVEL_WARNING = -120, /**< A plugin caused a level change. May not be an error, but later plugins may not load. */
    U_PLUGIN_CHANGED_LEVEL_WARNING = -120, /**< A plugin caused a level change. May not be an error, but later plugins may not load. */


    U_ZERO_ERROR              =  0,     /**< No error, no warning. */
    U_ZERO_ERROR              =  0,     /**< No error, no warning. */

    U_ILLEGAL_ARGUMENT_ERROR  =  1,     /**< Start of codes indicating failure */
    U_ILLEGAL_ARGUMENT_ERROR  =  1,     /**< Start of codes indicating failure */
    U_MISSING_RESOURCE_ERROR  =  2,     /**< The requested resource cannot be found */
    U_MISSING_RESOURCE_ERROR  =  2,     /**< The requested resource cannot be found */
    U_INVALID_FORMAT_ERROR    =  3,     /**< Data format is not what is expected */
    U_INVALID_FORMAT_ERROR    =  3,     /**< Data format is not what is expected */
    U_FILE_ACCESS_ERROR       =  4,     /**< The requested file cannot be found */
    U_FILE_ACCESS_ERROR       =  4,     /**< The requested file cannot be found */
    U_INTERNAL_PROGRAM_ERROR  =  5,     /**< Indicates a bug in the library code */
    U_INTERNAL_PROGRAM_ERROR  =  5,     /**< Indicates a bug in the library code */
    U_MESSAGE_PARSE_ERROR     =  6,     /**< Unable to parse a message (message format) */
    U_MESSAGE_PARSE_ERROR     =  6,     /**< Unable to parse a message (message format) */
    U_MEMORY_ALLOCATION_ERROR =  7,     /**< Memory allocation error */
    U_MEMORY_ALLOCATION_ERROR =  7,     /**< Memory allocation error */
    U_INDEX_OUTOFBOUNDS_ERROR =  8,     /**< Trying to access the index that is out of bounds */
    U_INDEX_OUTOFBOUNDS_ERROR =  8,     /**< Trying to access the index that is out of bounds */
    U_PARSE_ERROR             =  9,     /**< Equivalent to Java ParseException */
    U_PARSE_ERROR             =  9,     /**< Equivalent to Java ParseException */
    U_INVALID_CHAR_FOUND      = 10,     /**< Character conversion: Unmappable input sequence. In other APIs: Invalid character. */
    U_INVALID_CHAR_FOUND      = 10,     /**< Character conversion: Unmappable input sequence. In other APIs: Invalid character. */
    U_TRUNCATED_CHAR_FOUND    = 11,     /**< Character conversion: Incomplete input sequence. */
    U_TRUNCATED_CHAR_FOUND    = 11,     /**< Character conversion: Incomplete input sequence. */
    U_ILLEGAL_CHAR_FOUND      = 12,     /**< Character conversion: Illegal input sequence/combination of input units. */
    U_ILLEGAL_CHAR_FOUND      = 12,     /**< Character conversion: Illegal input sequence/combination of input units. */
    U_INVALID_TABLE_FORMAT    = 13,     /**< Conversion table file found, but corrupted */
    U_INVALID_TABLE_FORMAT    = 13,     /**< Conversion table file found, but corrupted */
    U_INVALID_TABLE_FILE      = 14,     /**< Conversion table file not found */
    U_INVALID_TABLE_FILE      = 14,     /**< Conversion table file not found */
    U_BUFFER_OVERFLOW_ERROR   = 15,     /**< A result would not fit in the supplied buffer */
    U_BUFFER_OVERFLOW_ERROR   = 15,     /**< A result would not fit in the supplied buffer */
    U_UNSUPPORTED_ERROR       = 16,     /**< Requested operation not supported in current context */
    U_UNSUPPORTED_ERROR       = 16,     /**< Requested operation not supported in current context */
    U_RESOURCE_TYPE_MISMATCH  = 17,     /**< an operation is requested over a resource that does not support it */
    U_RESOURCE_TYPE_MISMATCH  = 17,     /**< an operation is requested over a resource that does not support it */
    U_ILLEGAL_ESCAPE_SEQUENCE = 18,     /**< ISO-2022 illegal escape sequence */
    U_ILLEGAL_ESCAPE_SEQUENCE = 18,     /**< ISO-2022 illegal escape sequence */
    U_UNSUPPORTED_ESCAPE_SEQUENCE = 19, /**< ISO-2022 unsupported escape sequence */
    U_UNSUPPORTED_ESCAPE_SEQUENCE = 19, /**< ISO-2022 unsupported escape sequence */
    U_NO_SPACE_AVAILABLE      = 20,     /**< No space available for in-buffer expansion for Arabic shaping */
    U_NO_SPACE_AVAILABLE      = 20,     /**< No space available for in-buffer expansion for Arabic shaping */
    U_CE_NOT_FOUND_ERROR      = 21,     /**< Currently used only while setting variable top, but can be used generally */
    U_CE_NOT_FOUND_ERROR      = 21,     /**< Currently used only while setting variable top, but can be used generally */
    U_PRIMARY_TOO_LONG_ERROR  = 22,     /**< User tried to set variable top to a primary that is longer than two bytes */
    U_PRIMARY_TOO_LONG_ERROR  = 22,     /**< User tried to set variable top to a primary that is longer than two bytes */
    U_STATE_TOO_OLD_ERROR     = 23,     /**< ICU cannot construct a service from this state, as it is no longer supported */
    U_STATE_TOO_OLD_ERROR     = 23,     /**< ICU cannot construct a service from this state, as it is no longer supported */
    U_TOO_MANY_ALIASES_ERROR  = 24,     /**< There are too many aliases in the path to the requested resource.
                                             It is very possible that a circular alias definition has occurred */
    U_ENUM_OUT_OF_SYNC_ERROR  = 25,     /**< UEnumeration out of sync with underlying collection */
    U_ENUM_OUT_OF_SYNC_ERROR  = 25,     /**< UEnumeration out of sync with underlying collection */
    U_INVARIANT_CONVERSION_ERROR = 26,  /**< Unable to convert a UChar* string to char* with the invariant converter. */
    U_INVARIANT_CONVERSION_ERROR = 26,  /**< Unable to convert a UChar* string to char* with the invariant converter. */
    U_INVALID_STATE_ERROR     = 27,     /**< Requested operation can not be completed with ICU in its current state */
    U_INVALID_STATE_ERROR     = 27,     /**< Requested operation can not be completed with ICU in its current state */
    U_COLLATOR_VERSION_MISMATCH = 28,   /**< Collator version is not compatible with the base version */
    U_COLLATOR_VERSION_MISMATCH = 28,   /**< Collator version is not compatible with the base version */
    U_USELESS_COLLATOR_ERROR  = 29,     /**< Collator is options only and no base is specified */
    U_USELESS_COLLATOR_ERROR  = 29,     /**< Collator is options only and no base is specified */
    U_NO_WRITE_PERMISSION     = 30,     /**< Attempt to modify read-only or constant data. */
    U_NO_WRITE_PERMISSION     = 30,     /**< Attempt to modify read-only or constant data. */


    /*
     */
    U_BAD_VARIABLE_DEFINITION=0x10000,/**< Missing '$' or duplicate variable name */
    U_BAD_VARIABLE_DEFINITION=0x10000,/**< Missing '$' or duplicate variable name */
    U_PARSE_ERROR_START = 0x10000,    /**< Start of Transliterator errors */
    U_PARSE_ERROR_START = 0x10000,    /**< Start of Transliterator errors */
    U_MALFORMED_RULE,                 /**< Elements of a rule are misplaced */
    U_MALFORMED_RULE,                 /**< Elements of a rule are misplaced */
    U_MALFORMED_SET,                  /**< A UnicodeSet pattern is invalid*/
    U_MALFORMED_SET,                  /**< A UnicodeSet pattern is invalid*/
    U_MALFORMED_SYMBOL_REFERENCE,     /**< UNUSED as of ICU 2.4 */
    U_MALFORMED_SYMBOL_REFERENCE,     /**< UNUSED as of ICU 2.4 */
    U_MALFORMED_UNICODE_ESCAPE,       /**< A Unicode escape pattern is invalid*/
    U_MALFORMED_UNICODE_ESCAPE,       /**< A Unicode escape pattern is invalid*/
    U_MALFORMED_VARIABLE_DEFINITION,  /**< A variable definition is invalid */
    U_MALFORMED_VARIABLE_DEFINITION,  /**< A variable definition is invalid */
    U_MALFORMED_VARIABLE_REFERENCE,   /**< A variable reference is invalid */
    U_MALFORMED_VARIABLE_REFERENCE,   /**< A variable reference is invalid */
    U_MISMATCHED_SEGMENT_DELIMITERS,  /**< UNUSED as of ICU 2.4 */
    U_MISMATCHED_SEGMENT_DELIMITERS,  /**< UNUSED as of ICU 2.4 */
    U_MISPLACED_ANCHOR_START,         /**< A start anchor appears at an illegal position */
    U_MISPLACED_ANCHOR_START,         /**< A start anchor appears at an illegal position */
    U_MISPLACED_CURSOR_OFFSET,        /**< A cursor offset occurs at an illegal position */
    U_MISPLACED_CURSOR_OFFSET,        /**< A cursor offset occurs at an illegal position */
    U_MISPLACED_QUANTIFIER,           /**< A quantifier appears after a segment close delimiter */
    U_MISPLACED_QUANTIFIER,           /**< A quantifier appears after a segment close delimiter */
    U_MISSING_OPERATOR,               /**< A rule contains no operator */
    U_MISSING_OPERATOR,               /**< A rule contains no operator */
    U_MISSING_SEGMENT_CLOSE,          /**< UNUSED as of ICU 2.4 */
    U_MISSING_SEGMENT_CLOSE,          /**< UNUSED as of ICU 2.4 */
    U_MULTIPLE_ANTE_CONTEXTS,         /**< More than one ante context */
    U_MULTIPLE_ANTE_CONTEXTS,         /**< More than one ante context */
    U_MULTIPLE_CURSORS,               /**< More than one cursor */
    U_MULTIPLE_CURSORS,               /**< More than one cursor */
    U_MULTIPLE_POST_CONTEXTS,         /**< More than one post context */
    U_MULTIPLE_POST_CONTEXTS,         /**< More than one post context */
    U_TRAILING_BACKSLASH,             /**< A dangling backslash */
    U_TRAILING_BACKSLASH,             /**< A dangling backslash */
    U_UNDEFINED_SEGMENT_REFERENCE,    /**< A segment reference does not correspond to a defined segment */
    U_UNDEFINED_SEGMENT_REFERENCE,    /**< A segment reference does not correspond to a defined segment */
    U_UNDEFINED_VARIABLE,             /**< A variable reference does not correspond to a defined variable */
    U_UNDEFINED_VARIABLE,             /**< A variable reference does not correspond to a defined variable */
    U_UNQUOTED_SPECIAL,               /**< A special character was not quoted or escaped */
    U_UNQUOTED_SPECIAL,               /**< A special character was not quoted or escaped */
    U_UNTERMINATED_QUOTE,             /**< A closing single quote is missing */
    U_UNTERMINATED_QUOTE,             /**< A closing single quote is missing */
    U_RULE_MASK_ERROR,                /**< A rule is hidden by an earlier more general rule */
    U_RULE_MASK_ERROR,                /**< A rule is hidden by an earlier more general rule */
    U_MISPLACED_COMPOUND_FILTER,      /**< A compound filter is in an invalid location */
    U_MISPLACED_COMPOUND_FILTER,      /**< A compound filter is in an invalid location */
    U_MULTIPLE_COMPOUND_FILTERS,      /**< More than one compound filter */
    U_MULTIPLE_COMPOUND_FILTERS,      /**< More than one compound filter */
    U_INVALID_RBT_SYNTAX,             /**< A "::id" rule was passed to the RuleBasedTransliterator parser */
    U_INVALID_RBT_SYNTAX,             /**< A "::id" rule was passed to the RuleBasedTransliterator parser */
    U_INVALID_PROPERTY_PATTERN,       /**< UNUSED as of ICU 2.4 */
    U_INVALID_PROPERTY_PATTERN,       /**< UNUSED as of ICU 2.4 */
    U_MALFORMED_PRAGMA,               /**< A 'use' pragma is invalid */
    U_MALFORMED_PRAGMA,               /**< A 'use' pragma is invalid */
    U_UNCLOSED_SEGMENT,               /**< A closing ')' is missing */
    U_UNCLOSED_SEGMENT,               /**< A closing ')' is missing */
    U_ILLEGAL_CHAR_IN_SEGMENT,        /**< UNUSED as of ICU 2.4 */
    U_ILLEGAL_CHAR_IN_SEGMENT,        /**< UNUSED as of ICU 2.4 */
    U_VARIABLE_RANGE_EXHAUSTED,       /**< Too many stand-ins generated for the given variable range */
    U_VARIABLE_RANGE_EXHAUSTED,       /**< Too many stand-ins generated for the given variable range */
    U_VARIABLE_RANGE_OVERLAP,         /**< The variable range overlaps characters used in rules */
    U_VARIABLE_RANGE_OVERLAP,         /**< The variable range overlaps characters used in rules */
    U_ILLEGAL_CHARACTER,              /**< A special character is outside its allowed context */
    U_ILLEGAL_CHARACTER,              /**< A special character is outside its allowed context */
    U_INTERNAL_TRANSLITERATOR_ERROR,  /**< Internal transliterator system error */
    U_INTERNAL_TRANSLITERATOR_ERROR,  /**< Internal transliterator system error */
    U_INVALID_ID,                     /**< A "::id" rule specifies an unknown transliterator */
    U_INVALID_ID,                     /**< A "::id" rule specifies an unknown transliterator */
    U_INVALID_FUNCTION,               /**< A "&fn()" rule specifies an unknown transliterator */
    U_INVALID_FUNCTION,               /**< A "&fn()" rule specifies an unknown transliterator */

    /*
     */
    U_UNEXPECTED_TOKEN=0x10100,       /**< Syntax error in format pattern */
    U_UNEXPECTED_TOKEN=0x10100,       /**< Syntax error in format pattern */
    U_FMT_PARSE_ERROR_START=0x10100,  /**< Start of format library errors */
    U_FMT_PARSE_ERROR_START=0x10100,  /**< Start of format library errors */
    U_MULTIPLE_DECIMAL_SEPARATORS,    /**< More than one decimal separator in number pattern */
    U_MULTIPLE_DECIMAL_SEPARATORS,    /**< More than one decimal separator in number pattern */
    U_MULTIPLE_DECIMAL_SEPERATORS = U_MULTIPLE_DECIMAL_SEPARATORS, /**< Typo: kept for backward compatibility. Use U_MULTIPLE_DECIMAL_SEPARATORS */
    U_MULTIPLE_DECIMAL_SEPERATORS = U_MULTIPLE_DECIMAL_SEPARATORS, /**< Typo: kept for backward compatibility. Use U_MULTIPLE_DECIMAL_SEPARATORS */
    U_MULTIPLE_EXPONENTIAL_SYMBOLS,   /**< More than one exponent symbol in number pattern */
    U_MULTIPLE_EXPONENTIAL_SYMBOLS,   /**< More than one exponent symbol in number pattern */
    U_MALFORMED_EXPONENTIAL_PATTERN,  /**< Grouping symbol in exponent pattern */
    U_MALFORMED_EXPONENTIAL_PATTERN,  /**< Grouping symbol in exponent pattern */
    U_MULTIPLE_PERCENT_SYMBOLS,       /**< More than one percent symbol in number pattern */
    U_MULTIPLE_PERCENT_SYMBOLS,       /**< More than one percent symbol in number pattern */
    U_MULTIPLE_PERMILL_SYMBOLS,       /**< More than one permill symbol in number pattern */
    U_MULTIPLE_PERMILL_SYMBOLS,       /**< More than one permill symbol in number pattern */
    U_MULTIPLE_PAD_SPECIFIERS,        /**< More than one pad symbol in number pattern */
    U_MULTIPLE_PAD_SPECIFIERS,        /**< More than one pad symbol in number pattern */
    U_PATTERN_SYNTAX_ERROR,           /**< Syntax error in format pattern */
    U_PATTERN_SYNTAX_ERROR,           /**< Syntax error in format pattern */
    U_ILLEGAL_PAD_POSITION,           /**< Pad symbol misplaced in number pattern */
    U_ILLEGAL_PAD_POSITION,           /**< Pad symbol misplaced in number pattern */
    U_UNMATCHED_BRACES,               /**< Braces do not match in message pattern */
    U_UNMATCHED_BRACES,               /**< Braces do not match in message pattern */
    U_UNSUPPORTED_PROPERTY,           /**< UNUSED as of ICU 2.4 */
    U_UNSUPPORTED_PROPERTY,           /**< UNUSED as of ICU 2.4 */
    U_UNSUPPORTED_ATTRIBUTE,          /**< UNUSED as of ICU 2.4 */
    U_UNSUPPORTED_ATTRIBUTE,          /**< UNUSED as of ICU 2.4 */
    U_ARGUMENT_TYPE_MISMATCH,         /**< Argument name and argument index mismatch in MessageFormat functions */
    U_ARGUMENT_TYPE_MISMATCH,         /**< Argument name and argument index mismatch in MessageFormat functions */
    U_DUPLICATE_KEYWORD,              /**< Duplicate keyword in PluralFormat */
    U_DUPLICATE_KEYWORD,              /**< Duplicate keyword in PluralFormat */
    U_UNDEFINED_KEYWORD,              /**< Undefined Plural keyword */
    U_UNDEFINED_KEYWORD,              /**< Undefined Plural keyword */
    U_DEFAULT_KEYWORD_MISSING,        /**< Missing DEFAULT rule in plural rules */
    U_DEFAULT_KEYWORD_MISSING,        /**< Missing DEFAULT rule in plural rules */
    U_DECIMAL_NUMBER_SYNTAX_ERROR,    /**< Decimal number syntax error */
    U_DECIMAL_NUMBER_SYNTAX_ERROR,    /**< Decimal number syntax error */
    U_FORMAT_INEXACT_ERROR,           /**< Cannot format a number exactly and rounding mode is ROUND_UNNECESSARY @stable ICU 4.8 */
    U_FORMAT_INEXACT_ERROR,           /**< Cannot format a number exactly and rounding mode is ROUND_UNNECESSARY @stable ICU 4.8 */

    /*
     */
    U_BRK_INTERNAL_ERROR=0x10200,          /**< An internal error (bug) was detected.             */
    U_BRK_INTERNAL_ERROR=0x10200,          /**< An internal error (bug) was detected.             */
    U_BRK_ERROR_START=0x10200,             /**< Start of codes indicating Break Iterator failures */
    U_BRK_ERROR_START=0x10200,             /**< Start of codes indicating Break Iterator failures */
    U_BRK_HEX_DIGITS_EXPECTED,             /**< Hex digits expected as part of a escaped char in a rule. */
    U_BRK_HEX_DIGITS_EXPECTED,             /**< Hex digits expected as part of a escaped char in a rule. */
    U_BRK_SEMICOLON_EXPECTED,              /**< Missing ';' at the end of a RBBI rule.            */
    U_BRK_SEMICOLON_EXPECTED,              /**< Missing ';' at the end of a RBBI rule.            */
    U_BRK_RULE_SYNTAX,                     /**< Syntax error in RBBI rule.                        */
    U_BRK_RULE_SYNTAX,                     /**< Syntax error in RBBI rule.                        */
    U_BRK_UNCLOSED_SET,                    /**< UnicodeSet writing an RBBI rule missing a closing ']'. */
    U_BRK_UNCLOSED_SET,                    /**< UnicodeSet writing an RBBI rule missing a closing ']'. */
    U_BRK_ASSIGN_ERROR,                    /**< Syntax error in RBBI rule assignment statement.   */
    U_BRK_ASSIGN_ERROR,                    /**< Syntax error in RBBI rule assignment statement.   */
    U_BRK_VARIABLE_REDFINITION,            /**< RBBI rule $Variable redefined.                    */
    U_BRK_VARIABLE_REDFINITION,            /**< RBBI rule $Variable redefined.                    */
    U_BRK_MISMATCHED_PAREN,                /**< Mis-matched parentheses in an RBBI rule.          */
    U_BRK_MISMATCHED_PAREN,                /**< Mis-matched parentheses in an RBBI rule.          */
    U_BRK_NEW_LINE_IN_QUOTED_STRING,       /**< Missing closing quote in an RBBI rule.            */
    U_BRK_NEW_LINE_IN_QUOTED_STRING,       /**< Missing closing quote in an RBBI rule.            */
    U_BRK_UNDEFINED_VARIABLE,              /**< Use of an undefined $Variable in an RBBI rule.    */
    U_BRK_UNDEFINED_VARIABLE,              /**< Use of an undefined $Variable in an RBBI rule.    */
    U_BRK_INIT_ERROR,                      /**< Initialization failure.  Probable missing ICU Data. */
    U_BRK_INIT_ERROR,                      /**< Initialization failure.  Probable missing ICU Data. */
    U_BRK_RULE_EMPTY_SET,                  /**< Rule contains an empty Unicode Set.               */
    U_BRK_RULE_EMPTY_SET,                  /**< Rule contains an empty Unicode Set.               */
    U_BRK_UNRECOGNIZED_OPTION,             /**< !!option in RBBI rules not recognized.            */
    U_BRK_UNRECOGNIZED_OPTION,             /**< !!option in RBBI rules not recognized.            */
    U_BRK_MALFORMED_RULE_TAG,              /**< The {nnn} tag on a rule is malformed              */
    U_BRK_MALFORMED_RULE_TAG,              /**< The {nnn} tag on a rule is malformed              */

    /*
     */
    U_REGEX_INTERNAL_ERROR=0x10300,       /**< An internal error (bug) was detected.              */
    U_REGEX_INTERNAL_ERROR=0x10300,       /**< An internal error (bug) was detected.              */
    U_REGEX_ERROR_START=0x10300,          /**< Start of codes indicating Regexp failures          */
    U_REGEX_ERROR_START=0x10300,          /**< Start of codes indicating Regexp failures          */
    U_REGEX_RULE_SYNTAX,                  /**< Syntax error in regexp pattern.                    */
    U_REGEX_RULE_SYNTAX,                  /**< Syntax error in regexp pattern.                    */
    U_REGEX_INVALID_STATE,                /**< RegexMatcher in invalid state for requested operation */
    U_REGEX_INVALID_STATE,                /**< RegexMatcher in invalid state for requested operation */
    U_REGEX_BAD_ESCAPE_SEQUENCE,          /**< Unrecognized backslash escape sequence in pattern  */
    U_REGEX_BAD_ESCAPE_SEQUENCE,          /**< Unrecognized backslash escape sequence in pattern  */
    U_REGEX_PROPERTY_SYNTAX,              /**< Incorrect Unicode property                         */
    U_REGEX_PROPERTY_SYNTAX,              /**< Incorrect Unicode property                         */
    U_REGEX_UNIMPLEMENTED,                /**< Use of regexp feature that is not yet implemented. */
    U_REGEX_UNIMPLEMENTED,                /**< Use of regexp feature that is not yet implemented. */
    U_REGEX_MISMATCHED_PAREN,             /**< Incorrectly nested parentheses in regexp pattern.  */
    U_REGEX_MISMATCHED_PAREN,             /**< Incorrectly nested parentheses in regexp pattern.  */
    U_REGEX_NUMBER_TOO_BIG,               /**< Decimal number is too large.                       */
    U_REGEX_NUMBER_TOO_BIG,               /**< Decimal number is too large.                       */
    U_REGEX_BAD_INTERVAL,                 /**< Error in {min,max} interval                        */
    U_REGEX_BAD_INTERVAL,                 /**< Error in {min,max} interval                        */
    U_REGEX_MAX_LT_MIN,                   /**< In {min,max}, max is less than min.                */
    U_REGEX_MAX_LT_MIN,                   /**< In {min,max}, max is less than min.                */
    U_REGEX_INVALID_BACK_REF,             /**< Back-reference to a non-existent capture group.    */
    U_REGEX_INVALID_BACK_REF,             /**< Back-reference to a non-existent capture group.    */
    U_REGEX_INVALID_FLAG,                 /**< Invalid value for match mode flags.                */
    U_REGEX_INVALID_FLAG,                 /**< Invalid value for match mode flags.                */
    U_REGEX_LOOK_BEHIND_LIMIT,            /**< Look-Behind pattern matches must have a bounded maximum length.    */
    U_REGEX_LOOK_BEHIND_LIMIT,            /**< Look-Behind pattern matches must have a bounded maximum length.    */
    U_REGEX_SET_CONTAINS_STRING,          /**< Regexps cannot have UnicodeSets containing strings.*/
    U_REGEX_SET_CONTAINS_STRING,          /**< Regexps cannot have UnicodeSets containing strings.*/
    U_REGEX_MISSING_CLOSE_BRACKET=U_REGEX_SET_CONTAINS_STRING+2, /**< Missing closing bracket on a bracket expression. */
    U_REGEX_MISSING_CLOSE_BRACKET=U_REGEX_SET_CONTAINS_STRING+2, /**< Missing closing bracket on a bracket expression. */
    U_REGEX_INVALID_RANGE,                /**< In a character range [x-y], x is greater than y.   */
    U_REGEX_INVALID_RANGE,                /**< In a character range [x-y], x is greater than y.   */
    U_REGEX_STACK_OVERFLOW,               /**< Regular expression backtrack stack overflow.       */
    U_REGEX_STACK_OVERFLOW,               /**< Regular expression backtrack stack overflow.       */
    U_REGEX_TIME_OUT,                     /**< Maximum allowed match time exceeded                */
    U_REGEX_TIME_OUT,                     /**< Maximum allowed match time exceeded                */
    U_REGEX_STOPPED_BY_CALLER,            /**< Matching operation aborted by user callback fn.    */
    U_REGEX_STOPPED_BY_CALLER,            /**< Matching operation aborted by user callback fn.    */
    U_REGEX_PATTERN_TOO_BIG,              /**< Pattern exceeds limits on size or complexity. @stable ICU 55 */
    U_REGEX_PATTERN_TOO_BIG,              /**< Pattern exceeds limits on size or complexity. @stable ICU 55 */
    U_REGEX_INVALID_CAPTURE_GROUP_NAME,   /**< Invalid capture group name. @stable ICU 55 */
    U_REGEX_INVALID_CAPTURE_GROUP_NAME,   /**< Invalid capture group name. @stable ICU 55 */

    /*
     */
    U_IDNA_PROHIBITED_ERROR=0x10400,
    U_IDNA_ERROR_START=0x10400,
    U_IDNA_UNASSIGNED_ERROR,
    U_IDNA_CHECK_BIDI_ERROR,
    U_IDNA_STD3_ASCII_RULES_ERROR,
    U_IDNA_ACE_PREFIX_ERROR,
    U_IDNA_VERIFICATION_ERROR,
    U_IDNA_LABEL_TOO_LONG_ERROR,
    U_IDNA_ZERO_LENGTH_LABEL_ERROR,
    U_IDNA_DOMAIN_NAME_TOO_LONG_ERROR,
    /*
     */
    U_STRINGPREP_PROHIBITED_ERROR = U_IDNA_PROHIBITED_ERROR,
    U_STRINGPREP_UNASSIGNED_ERROR = U_IDNA_UNASSIGNED_ERROR,
    U_STRINGPREP_CHECK_BIDI_ERROR = U_IDNA_CHECK_BIDI_ERROR,
    
    /*
     */
    U_PLUGIN_ERROR_START=0x10500,         /**< Start of codes indicating plugin failures */
    U_PLUGIN_ERROR_START=0x10500,         /**< Start of codes indicating plugin failures */
    U_PLUGIN_TOO_HIGH=0x10500,            /**< The plugin's level is too high to be loaded right now. */
    U_PLUGIN_TOO_HIGH=0x10500,            /**< The plugin's level is too high to be loaded right now. */
    U_PLUGIN_DIDNT_SET_LEVEL,             /**< The plugin didn't call uplug_setPlugLevel in response to a QUERY */
    U_PLUGIN_DIDNT_SET_LEVEL,             /**< The plugin didn't call uplug_setPlugLevel in response to a QUERY */

} UErrorCode;

• If (NTDDI_VERSION >= NTDDI_WIN10_RS3)

typedef enum UErrorCode {
    /* The ordering of U_ERROR_INFO_START Vs U_USING_FALLBACK_WARNING looks weird
     */

    U_USING_FALLBACK_WARNING  = -128,   /**< A resource bundle lookup returned a fallback result (not an error) */
    U_USING_FALLBACK_WARNING  = -128,   /**< A resource bundle lookup returned a fallback result (not an error) */

    U_ERROR_WARNING_START     = -128,   /**< Start of information results (semantically successful) */
    U_ERROR_WARNING_START     = -128,   /**< Start of information results (semantically successful) */

    U_USING_DEFAULT_WARNING   = -127,   /**< A resource bundle lookup returned a result from the root locale (not an error) */
    U_USING_DEFAULT_WARNING   = -127,   /**< A resource bundle lookup returned a result from the root locale (not an error) */

    U_SAFECLONE_ALLOCATED_WARNING = -126, /**< A SafeClone operation required allocating memory (informational only) */
    U_SAFECLONE_ALLOCATED_WARNING = -126, /**< A SafeClone operation required allocating memory (informational only) */

    U_STATE_OLD_WARNING       = -125,   /**< ICU has to use compatibility layer to construct the service. Expect performance/memory usage degradation. Consider upgrading */
    U_STATE_OLD_WARNING       = -125,   /**< ICU has to use compatibility layer to construct the service. Expect performance/memory usage degradation. Consider upgrading */

    U_STRING_NOT_TERMINATED_WARNING = -124,/**< An output string could not be NUL-terminated because output length==destCapacity. */
    U_STRING_NOT_TERMINATED_WARNING = -124,/**< An output string could not be NUL-terminated because output length==destCapacity. */

    U_SORT_KEY_TOO_SHORT_WARNING = -123, /**< Number of levels requested in getBound is higher than the number of levels in the sort key */
    U_SORT_KEY_TOO_SHORT_WARNING = -123, /**< Number of levels requested in getBound is higher than the number of levels in the sort key */

    U_AMBIGUOUS_ALIAS_WARNING = -122,   /**< This converter alias can go to different converter implementations */
    U_AMBIGUOUS_ALIAS_WARNING = -122,   /**< This converter alias can go to different converter implementations */

    U_DIFFERENT_UCA_VERSION = -121,     /**< ucol_open encountered a mismatch between UCA version and collator image version, so the collator was constructed from rules. No impact to further function */
    U_DIFFERENT_UCA_VERSION = -121,     /**< ucol_open encountered a mismatch between UCA version and collator image version, so the collator was constructed from rules. No impact to further function */
    
    U_PLUGIN_CHANGED_LEVEL_WARNING = -120, /**< A plugin caused a level change. May not be an error, but later plugins may not load. */
    U_PLUGIN_CHANGED_LEVEL_WARNING = -120, /**< A plugin caused a level change. May not be an error, but later plugins may not load. */

    U_ERROR_WARNING_LIMIT,              /**< This must always be the last warning value to indicate the limit for UErrorCode warnings (last warning code +1) */
    U_ERROR_WARNING_LIMIT,              /**< This must always be the last warning value to indicate the limit for UErrorCode warnings (last warning code +1) */


    U_ZERO_ERROR              =  0,     /**< No error, no warning. */
    U_ZERO_ERROR              =  0,     /**< No error, no warning. */

    U_ILLEGAL_ARGUMENT_ERROR  =  1,     /**< Start of codes indicating failure */
    U_ILLEGAL_ARGUMENT_ERROR  =  1,     /**< Start of codes indicating failure */
    U_MISSING_RESOURCE_ERROR  =  2,     /**< The requested resource cannot be found */
    U_MISSING_RESOURCE_ERROR  =  2,     /**< The requested resource cannot be found */
    U_INVALID_FORMAT_ERROR    =  3,     /**< Data format is not what is expected */
    U_INVALID_FORMAT_ERROR    =  3,     /**< Data format is not what is expected */
    U_FILE_ACCESS_ERROR       =  4,     /**< The requested file cannot be found */
    U_FILE_ACCESS_ERROR       =  4,     /**< The requested file cannot be found */
    U_INTERNAL_PROGRAM_ERROR  =  5,     /**< Indicates a bug in the library code */
    U_INTERNAL_PROGRAM_ERROR  =  5,     /**< Indicates a bug in the library code */
    U_MESSAGE_PARSE_ERROR     =  6,     /**< Unable to parse a message (message format) */
    U_MESSAGE_PARSE_ERROR     =  6,     /**< Unable to parse a message (message format) */
    U_MEMORY_ALLOCATION_ERROR =  7,     /**< Memory allocation error */
    U_MEMORY_ALLOCATION_ERROR =  7,     /**< Memory allocation error */
    U_INDEX_OUTOFBOUNDS_ERROR =  8,     /**< Trying to access the index that is out of bounds */
    U_INDEX_OUTOFBOUNDS_ERROR =  8,     /**< Trying to access the index that is out of bounds */
    U_PARSE_ERROR             =  9,     /**< Equivalent to Java ParseException */
    U_PARSE_ERROR             =  9,     /**< Equivalent to Java ParseException */
    U_INVALID_CHAR_FOUND      = 10,     /**< Character conversion: Unmappable input sequence. In other APIs: Invalid character. */
    U_INVALID_CHAR_FOUND      = 10,     /**< Character conversion: Unmappable input sequence. In other APIs: Invalid character. */
    U_TRUNCATED_CHAR_FOUND    = 11,     /**< Character conversion: Incomplete input sequence. */
    U_TRUNCATED_CHAR_FOUND    = 11,     /**< Character conversion: Incomplete input sequence. */
    U_ILLEGAL_CHAR_FOUND      = 12,     /**< Character conversion: Illegal input sequence/combination of input units. */
    U_ILLEGAL_CHAR_FOUND      = 12,     /**< Character conversion: Illegal input sequence/combination of input units. */
    U_INVALID_TABLE_FORMAT    = 13,     /**< Conversion table file found, but corrupted */
    U_INVALID_TABLE_FORMAT    = 13,     /**< Conversion table file found, but corrupted */
    U_INVALID_TABLE_FILE      = 14,     /**< Conversion table file not found */
    U_INVALID_TABLE_FILE      = 14,     /**< Conversion table file not found */
    U_BUFFER_OVERFLOW_ERROR   = 15,     /**< A result would not fit in the supplied buffer */
    U_BUFFER_OVERFLOW_ERROR   = 15,     /**< A result would not fit in the supplied buffer */
    U_UNSUPPORTED_ERROR       = 16,     /**< Requested operation not supported in current context */
    U_UNSUPPORTED_ERROR       = 16,     /**< Requested operation not supported in current context */
    U_RESOURCE_TYPE_MISMATCH  = 17,     /**< an operation is requested over a resource that does not support it */
    U_RESOURCE_TYPE_MISMATCH  = 17,     /**< an operation is requested over a resource that does not support it */
    U_ILLEGAL_ESCAPE_SEQUENCE = 18,     /**< ISO-2022 illlegal escape sequence */
    U_ILLEGAL_ESCAPE_SEQUENCE = 18,     /**< ISO-2022 illlegal escape sequence */
    U_UNSUPPORTED_ESCAPE_SEQUENCE = 19, /**< ISO-2022 unsupported escape sequence */
    U_UNSUPPORTED_ESCAPE_SEQUENCE = 19, /**< ISO-2022 unsupported escape sequence */
    U_NO_SPACE_AVAILABLE      = 20,     /**< No space available for in-buffer expansion for Arabic shaping */
    U_NO_SPACE_AVAILABLE      = 20,     /**< No space available for in-buffer expansion for Arabic shaping */
    U_CE_NOT_FOUND_ERROR      = 21,     /**< Currently used only while setting variable top, but can be used generally */
    U_CE_NOT_FOUND_ERROR      = 21,     /**< Currently used only while setting variable top, but can be used generally */
    U_PRIMARY_TOO_LONG_ERROR  = 22,     /**< User tried to set variable top to a primary that is longer than two bytes */
    U_PRIMARY_TOO_LONG_ERROR  = 22,     /**< User tried to set variable top to a primary that is longer than two bytes */
    U_STATE_TOO_OLD_ERROR     = 23,     /**< ICU cannot construct a service from this state, as it is no longer supported */
    U_STATE_TOO_OLD_ERROR     = 23,     /**< ICU cannot construct a service from this state, as it is no longer supported */
    U_TOO_MANY_ALIASES_ERROR  = 24,     /**< There are too many aliases in the path to the requested resource.
                                             It is very possible that a circular alias definition has occured */
    U_ENUM_OUT_OF_SYNC_ERROR  = 25,     /**< UEnumeration out of sync with underlying collection */
    U_ENUM_OUT_OF_SYNC_ERROR  = 25,     /**< UEnumeration out of sync with underlying collection */
    U_INVARIANT_CONVERSION_ERROR = 26,  /**< Unable to convert a UChar* string to char* with the invariant converter. */
    U_INVARIANT_CONVERSION_ERROR = 26,  /**< Unable to convert a UChar* string to char* with the invariant converter. */
    U_INVALID_STATE_ERROR     = 27,     /**< Requested operation can not be completed with ICU in its current state */
    U_INVALID_STATE_ERROR     = 27,     /**< Requested operation can not be completed with ICU in its current state */
    U_COLLATOR_VERSION_MISMATCH = 28,   /**< Collator version is not compatible with the base version */
    U_COLLATOR_VERSION_MISMATCH = 28,   /**< Collator version is not compatible with the base version */
    U_USELESS_COLLATOR_ERROR  = 29,     /**< Collator is options only and no base is specified */
    U_USELESS_COLLATOR_ERROR  = 29,     /**< Collator is options only and no base is specified */
    U_NO_WRITE_PERMISSION     = 30,     /**< Attempt to modify read-only or constant data. */
    U_NO_WRITE_PERMISSION     = 30,     /**< Attempt to modify read-only or constant data. */

    U_STANDARD_ERROR_LIMIT,             /**< This must always be the last value to indicate the limit for standard errors */
    U_STANDARD_ERROR_LIMIT,             /**< This must always be the last value to indicate the limit for standard errors */
    /*
     */
    U_BAD_VARIABLE_DEFINITION=0x10000,/**< Missing '$' or duplicate variable name */
    U_BAD_VARIABLE_DEFINITION=0x10000,/**< Missing '$' or duplicate variable name */
    U_PARSE_ERROR_START = 0x10000,    /**< Start of Transliterator errors */
    U_PARSE_ERROR_START = 0x10000,    /**< Start of Transliterator errors */
    U_MALFORMED_RULE,                 /**< Elements of a rule are misplaced */
    U_MALFORMED_RULE,                 /**< Elements of a rule are misplaced */
    U_MALFORMED_SET,                  /**< A UnicodeSet pattern is invalid*/
    U_MALFORMED_SET,                  /**< A UnicodeSet pattern is invalid*/
    U_MALFORMED_SYMBOL_REFERENCE,     /**< UNUSED as of ICU 2.4 */
    U_MALFORMED_SYMBOL_REFERENCE,     /**< UNUSED as of ICU 2.4 */
    U_MALFORMED_UNICODE_ESCAPE,       /**< A Unicode escape pattern is invalid*/
    U_MALFORMED_UNICODE_ESCAPE,       /**< A Unicode escape pattern is invalid*/
    U_MALFORMED_VARIABLE_DEFINITION,  /**< A variable definition is invalid */
    U_MALFORMED_VARIABLE_DEFINITION,  /**< A variable definition is invalid */
    U_MALFORMED_VARIABLE_REFERENCE,   /**< A variable reference is invalid */
    U_MALFORMED_VARIABLE_REFERENCE,   /**< A variable reference is invalid */
    U_MISMATCHED_SEGMENT_DELIMITERS,  /**< UNUSED as of ICU 2.4 */
    U_MISMATCHED_SEGMENT_DELIMITERS,  /**< UNUSED as of ICU 2.4 */
    U_MISPLACED_ANCHOR_START,         /**< A start anchor appears at an illegal position */
    U_MISPLACED_ANCHOR_START,         /**< A start anchor appears at an illegal position */
    U_MISPLACED_CURSOR_OFFSET,        /**< A cursor offset occurs at an illegal position */
    U_MISPLACED_CURSOR_OFFSET,        /**< A cursor offset occurs at an illegal position */
    U_MISPLACED_QUANTIFIER,           /**< A quantifier appears after a segment close delimiter */
    U_MISPLACED_QUANTIFIER,           /**< A quantifier appears after a segment close delimiter */
    U_MISSING_OPERATOR,               /**< A rule contains no operator */
    U_MISSING_OPERATOR,               /**< A rule contains no operator */
    U_MISSING_SEGMENT_CLOSE,          /**< UNUSED as of ICU 2.4 */
    U_MISSING_SEGMENT_CLOSE,          /**< UNUSED as of ICU 2.4 */
    U_MULTIPLE_ANTE_CONTEXTS,         /**< More than one ante context */
    U_MULTIPLE_ANTE_CONTEXTS,         /**< More than one ante context */
    U_MULTIPLE_CURSORS,               /**< More than one cursor */
    U_MULTIPLE_CURSORS,               /**< More than one cursor */
    U_MULTIPLE_POST_CONTEXTS,         /**< More than one post context */
    U_MULTIPLE_POST_CONTEXTS,         /**< More than one post context */
    U_TRAILING_BACKSLASH,             /**< A dangling backslash */
    U_TRAILING_BACKSLASH,             /**< A dangling backslash */
    U_UNDEFINED_SEGMENT_REFERENCE,    /**< A segment reference does not correspond to a defined segment */
    U_UNDEFINED_SEGMENT_REFERENCE,    /**< A segment reference does not correspond to a defined segment */
    U_UNDEFINED_VARIABLE,             /**< A variable reference does not correspond to a defined variable */
    U_UNDEFINED_VARIABLE,             /**< A variable reference does not correspond to a defined variable */
    U_UNQUOTED_SPECIAL,               /**< A special character was not quoted or escaped */
    U_UNQUOTED_SPECIAL,               /**< A special character was not quoted or escaped */
    U_UNTERMINATED_QUOTE,             /**< A closing single quote is missing */
    U_UNTERMINATED_QUOTE,             /**< A closing single quote is missing */
    U_RULE_MASK_ERROR,                /**< A rule is hidden by an earlier more general rule */
    U_RULE_MASK_ERROR,                /**< A rule is hidden by an earlier more general rule */
    U_MISPLACED_COMPOUND_FILTER,      /**< A compound filter is in an invalid location */
    U_MISPLACED_COMPOUND_FILTER,      /**< A compound filter is in an invalid location */
    U_MULTIPLE_COMPOUND_FILTERS,      /**< More than one compound filter */
    U_MULTIPLE_COMPOUND_FILTERS,      /**< More than one compound filter */
    U_INVALID_RBT_SYNTAX,             /**< A "::id" rule was passed to the RuleBasedTransliterator parser */
    U_INVALID_RBT_SYNTAX,             /**< A "::id" rule was passed to the RuleBasedTransliterator parser */
    U_INVALID_PROPERTY_PATTERN,       /**< UNUSED as of ICU 2.4 */
    U_INVALID_PROPERTY_PATTERN,       /**< UNUSED as of ICU 2.4 */
    U_MALFORMED_PRAGMA,               /**< A 'use' pragma is invlalid */
    U_MALFORMED_PRAGMA,               /**< A 'use' pragma is invlalid */
    U_UNCLOSED_SEGMENT,               /**< A closing ')' is missing */
    U_UNCLOSED_SEGMENT,               /**< A closing ')' is missing */
    U_ILLEGAL_CHAR_IN_SEGMENT,        /**< UNUSED as of ICU 2.4 */
    U_ILLEGAL_CHAR_IN_SEGMENT,        /**< UNUSED as of ICU 2.4 */
    U_VARIABLE_RANGE_EXHAUSTED,       /**< Too many stand-ins generated for the given variable range */
    U_VARIABLE_RANGE_EXHAUSTED,       /**< Too many stand-ins generated for the given variable range */
    U_VARIABLE_RANGE_OVERLAP,         /**< The variable range overlaps characters used in rules */
    U_VARIABLE_RANGE_OVERLAP,         /**< The variable range overlaps characters used in rules */
    U_ILLEGAL_CHARACTER,              /**< A special character is outside its allowed context */
    U_ILLEGAL_CHARACTER,              /**< A special character is outside its allowed context */
    U_INTERNAL_TRANSLITERATOR_ERROR,  /**< Internal transliterator system error */
    U_INTERNAL_TRANSLITERATOR_ERROR,  /**< Internal transliterator system error */
    U_INVALID_ID,                     /**< A "::id" rule specifies an unknown transliterator */
    U_INVALID_ID,                     /**< A "::id" rule specifies an unknown transliterator */
    U_INVALID_FUNCTION,               /**< A "&fn()" rule specifies an unknown transliterator */
    U_INVALID_FUNCTION,               /**< A "&fn()" rule specifies an unknown transliterator */
    U_PARSE_ERROR_LIMIT,              /**< The limit for Transliterator errors */
    U_PARSE_ERROR_LIMIT,              /**< The limit for Transliterator errors */

    /*
     */
    U_UNEXPECTED_TOKEN=0x10100,       /**< Syntax error in format pattern */
    U_UNEXPECTED_TOKEN=0x10100,       /**< Syntax error in format pattern */
    U_FMT_PARSE_ERROR_START=0x10100,  /**< Start of format library errors */
    U_FMT_PARSE_ERROR_START=0x10100,  /**< Start of format library errors */
    U_MULTIPLE_DECIMAL_SEPARATORS,    /**< More than one decimal separator in number pattern */
    U_MULTIPLE_DECIMAL_SEPARATORS,    /**< More than one decimal separator in number pattern */
    U_MULTIPLE_DECIMAL_SEPERATORS = U_MULTIPLE_DECIMAL_SEPARATORS, /**< Typo: kept for backward compatibility. Use U_MULTIPLE_DECIMAL_SEPARATORS */
    U_MULTIPLE_DECIMAL_SEPERATORS = U_MULTIPLE_DECIMAL_SEPARATORS, /**< Typo: kept for backward compatibility. Use U_MULTIPLE_DECIMAL_SEPARATORS */
    U_MULTIPLE_EXPONENTIAL_SYMBOLS,   /**< More than one exponent symbol in number pattern */
    U_MULTIPLE_EXPONENTIAL_SYMBOLS,   /**< More than one exponent symbol in number pattern */
    U_MALFORMED_EXPONENTIAL_PATTERN,  /**< Grouping symbol in exponent pattern */
    U_MALFORMED_EXPONENTIAL_PATTERN,  /**< Grouping symbol in exponent pattern */
    U_MULTIPLE_PERCENT_SYMBOLS,       /**< More than one percent symbol in number pattern */
    U_MULTIPLE_PERCENT_SYMBOLS,       /**< More than one percent symbol in number pattern */
    U_MULTIPLE_PERMILL_SYMBOLS,       /**< More than one permill symbol in number pattern */
    U_MULTIPLE_PERMILL_SYMBOLS,       /**< More than one permill symbol in number pattern */
    U_MULTIPLE_PAD_SPECIFIERS,        /**< More than one pad symbol in number pattern */
    U_MULTIPLE_PAD_SPECIFIERS,        /**< More than one pad symbol in number pattern */
    U_PATTERN_SYNTAX_ERROR,           /**< Syntax error in format pattern */
    U_PATTERN_SYNTAX_ERROR,           /**< Syntax error in format pattern */
    U_ILLEGAL_PAD_POSITION,           /**< Pad symbol misplaced in number pattern */
    U_ILLEGAL_PAD_POSITION,           /**< Pad symbol misplaced in number pattern */
    U_UNMATCHED_BRACES,               /**< Braces do not match in message pattern */
    U_UNMATCHED_BRACES,               /**< Braces do not match in message pattern */
    U_UNSUPPORTED_PROPERTY,           /**< UNUSED as of ICU 2.4 */
    U_UNSUPPORTED_PROPERTY,           /**< UNUSED as of ICU 2.4 */
    U_UNSUPPORTED_ATTRIBUTE,          /**< UNUSED as of ICU 2.4 */
    U_UNSUPPORTED_ATTRIBUTE,          /**< UNUSED as of ICU 2.4 */
    U_ARGUMENT_TYPE_MISMATCH,         /**< Argument name and argument index mismatch in MessageFormat functions */
    U_ARGUMENT_TYPE_MISMATCH,         /**< Argument name and argument index mismatch in MessageFormat functions */
    U_DUPLICATE_KEYWORD,              /**< Duplicate keyword in PluralFormat */
    U_DUPLICATE_KEYWORD,              /**< Duplicate keyword in PluralFormat */
    U_UNDEFINED_KEYWORD,              /**< Undefined Plural keyword */
    U_UNDEFINED_KEYWORD,              /**< Undefined Plural keyword */
    U_DEFAULT_KEYWORD_MISSING,        /**< Missing DEFAULT rule in plural rules */
    U_DEFAULT_KEYWORD_MISSING,        /**< Missing DEFAULT rule in plural rules */
    U_DECIMAL_NUMBER_SYNTAX_ERROR,    /**< Decimal number syntax error */
    U_DECIMAL_NUMBER_SYNTAX_ERROR,    /**< Decimal number syntax error */
    U_FORMAT_INEXACT_ERROR,           /**< Cannot format a number exactly and rounding mode is ROUND_UNNECESSARY @stable ICU 4.8 */
    U_FORMAT_INEXACT_ERROR,           /**< Cannot format a number exactly and rounding mode is ROUND_UNNECESSARY @stable ICU 4.8 */
    U_FMT_PARSE_ERROR_LIMIT,          /**< The limit for format library errors */
    U_FMT_PARSE_ERROR_LIMIT,          /**< The limit for format library errors */

    /*
     */
    U_BRK_INTERNAL_ERROR=0x10200,          /**< An internal error (bug) was detected.             */
    U_BRK_INTERNAL_ERROR=0x10200,          /**< An internal error (bug) was detected.             */
    U_BRK_ERROR_START=0x10200,             /**< Start of codes indicating Break Iterator failures */
    U_BRK_ERROR_START=0x10200,             /**< Start of codes indicating Break Iterator failures */
    U_BRK_HEX_DIGITS_EXPECTED,             /**< Hex digits expected as part of a escaped char in a rule. */
    U_BRK_HEX_DIGITS_EXPECTED,             /**< Hex digits expected as part of a escaped char in a rule. */
    U_BRK_SEMICOLON_EXPECTED,              /**< Missing ';' at the end of a RBBI rule.            */
    U_BRK_SEMICOLON_EXPECTED,              /**< Missing ';' at the end of a RBBI rule.            */
    U_BRK_RULE_SYNTAX,                     /**< Syntax error in RBBI rule.                        */
    U_BRK_RULE_SYNTAX,                     /**< Syntax error in RBBI rule.                        */
    U_BRK_UNCLOSED_SET,                    /**< UnicodeSet witing an RBBI rule missing a closing ']'.  */
    U_BRK_UNCLOSED_SET,                    /**< UnicodeSet witing an RBBI rule missing a closing ']'.  */
    U_BRK_ASSIGN_ERROR,                    /**< Syntax error in RBBI rule assignment statement.   */
    U_BRK_ASSIGN_ERROR,                    /**< Syntax error in RBBI rule assignment statement.   */
    U_BRK_VARIABLE_REDFINITION,            /**< RBBI rule $Variable redefined.                    */
    U_BRK_VARIABLE_REDFINITION,            /**< RBBI rule $Variable redefined.                    */
    U_BRK_MISMATCHED_PAREN,                /**< Mis-matched parentheses in an RBBI rule.          */
    U_BRK_MISMATCHED_PAREN,                /**< Mis-matched parentheses in an RBBI rule.          */
    U_BRK_NEW_LINE_IN_QUOTED_STRING,       /**< Missing closing quote in an RBBI rule.            */
    U_BRK_NEW_LINE_IN_QUOTED_STRING,       /**< Missing closing quote in an RBBI rule.            */
    U_BRK_UNDEFINED_VARIABLE,              /**< Use of an undefined $Variable in an RBBI rule.    */
    U_BRK_UNDEFINED_VARIABLE,              /**< Use of an undefined $Variable in an RBBI rule.    */
    U_BRK_INIT_ERROR,                      /**< Initialization failure.  Probable missing ICU Data. */
    U_BRK_INIT_ERROR,                      /**< Initialization failure.  Probable missing ICU Data. */
    U_BRK_RULE_EMPTY_SET,                  /**< Rule contains an empty Unicode Set.               */
    U_BRK_RULE_EMPTY_SET,                  /**< Rule contains an empty Unicode Set.               */
    U_BRK_UNRECOGNIZED_OPTION,             /**< !!option in RBBI rules not recognized.            */
    U_BRK_UNRECOGNIZED_OPTION,             /**< !!option in RBBI rules not recognized.            */
    U_BRK_MALFORMED_RULE_TAG,              /**< The {nnn} tag on a rule is mal formed             */
    U_BRK_MALFORMED_RULE_TAG,              /**< The {nnn} tag on a rule is mal formed             */
    U_BRK_ERROR_LIMIT,                     /**< This must always be the last value to indicate the limit for Break Iterator failures */
    U_BRK_ERROR_LIMIT,                     /**< This must always be the last value to indicate the limit for Break Iterator failures */

    /*
     */
    U_REGEX_INTERNAL_ERROR=0x10300,       /**< An internal error (bug) was detected.              */
    U_REGEX_INTERNAL_ERROR=0x10300,       /**< An internal error (bug) was detected.              */
    U_REGEX_ERROR_START=0x10300,          /**< Start of codes indicating Regexp failures          */
    U_REGEX_ERROR_START=0x10300,          /**< Start of codes indicating Regexp failures          */
    U_REGEX_RULE_SYNTAX,                  /**< Syntax error in regexp pattern.                    */
    U_REGEX_RULE_SYNTAX,                  /**< Syntax error in regexp pattern.                    */
    U_REGEX_INVALID_STATE,                /**< RegexMatcher in invalid state for requested operation */
    U_REGEX_INVALID_STATE,                /**< RegexMatcher in invalid state for requested operation */
    U_REGEX_BAD_ESCAPE_SEQUENCE,          /**< Unrecognized backslash escape sequence in pattern  */
    U_REGEX_BAD_ESCAPE_SEQUENCE,          /**< Unrecognized backslash escape sequence in pattern  */
    U_REGEX_PROPERTY_SYNTAX,              /**< Incorrect Unicode property                         */
    U_REGEX_PROPERTY_SYNTAX,              /**< Incorrect Unicode property                         */
    U_REGEX_UNIMPLEMENTED,                /**< Use of regexp feature that is not yet implemented. */
    U_REGEX_UNIMPLEMENTED,                /**< Use of regexp feature that is not yet implemented. */
    U_REGEX_MISMATCHED_PAREN,             /**< Incorrectly nested parentheses in regexp pattern.  */
    U_REGEX_MISMATCHED_PAREN,             /**< Incorrectly nested parentheses in regexp pattern.  */
    U_REGEX_NUMBER_TOO_BIG,               /**< Decimal number is too large.                       */
    U_REGEX_NUMBER_TOO_BIG,               /**< Decimal number is too large.                       */
    U_REGEX_BAD_INTERVAL,                 /**< Error in {min,max} interval                        */
    U_REGEX_BAD_INTERVAL,                 /**< Error in {min,max} interval                        */
    U_REGEX_MAX_LT_MIN,                   /**< In {min,max}, max is less than min.                */
    U_REGEX_MAX_LT_MIN,                   /**< In {min,max}, max is less than min.                */
    U_REGEX_INVALID_BACK_REF,             /**< Back-reference to a non-existent capture group.    */
    U_REGEX_INVALID_BACK_REF,             /**< Back-reference to a non-existent capture group.    */
    U_REGEX_INVALID_FLAG,                 /**< Invalid value for match mode flags.                */
    U_REGEX_INVALID_FLAG,                 /**< Invalid value for match mode flags.                */
    U_REGEX_LOOK_BEHIND_LIMIT,            /**< Look-Behind pattern matches must have a bounded maximum length.    */
    U_REGEX_LOOK_BEHIND_LIMIT,            /**< Look-Behind pattern matches must have a bounded maximum length.    */
    U_REGEX_SET_CONTAINS_STRING,          /**< Regexps cannot have UnicodeSets containing strings.*/
    U_REGEX_SET_CONTAINS_STRING,          /**< Regexps cannot have UnicodeSets containing strings.*/
    U_REGEX_MISSING_CLOSE_BRACKET=U_REGEX_SET_CONTAINS_STRING+2, /**< Missing closing bracket on a bracket expression. */
    U_REGEX_MISSING_CLOSE_BRACKET=U_REGEX_SET_CONTAINS_STRING+2, /**< Missing closing bracket on a bracket expression. */
    U_REGEX_INVALID_RANGE,                /**< In a character range [x-y], x is greater than y.   */
    U_REGEX_INVALID_RANGE,                /**< In a character range [x-y], x is greater than y.   */
    U_REGEX_STACK_OVERFLOW,               /**< Regular expression backtrack stack overflow.       */
    U_REGEX_STACK_OVERFLOW,               /**< Regular expression backtrack stack overflow.       */
    U_REGEX_TIME_OUT,                     /**< Maximum allowed match time exceeded                */
    U_REGEX_TIME_OUT,                     /**< Maximum allowed match time exceeded                */
    U_REGEX_STOPPED_BY_CALLER,            /**< Matching operation aborted by user callback fn.    */
    U_REGEX_STOPPED_BY_CALLER,            /**< Matching operation aborted by user callback fn.    */
    U_REGEX_PATTERN_TOO_BIG,              /**< Pattern exceeds limits on size or complexity. @stable ICU 55 */
    U_REGEX_PATTERN_TOO_BIG,              /**< Pattern exceeds limits on size or complexity. @stable ICU 55 */
    U_REGEX_INVALID_CAPTURE_GROUP_NAME,   /**< Invalid capture group name. @stable ICU 55 */
    U_REGEX_INVALID_CAPTURE_GROUP_NAME,   /**< Invalid capture group name. @stable ICU 55 */
    U_REGEX_ERROR_LIMIT=U_REGEX_STOPPED_BY_CALLER+3, /**< This must always be the last value to indicate the limit for regexp errors */
    U_REGEX_ERROR_LIMIT=U_REGEX_STOPPED_BY_CALLER+3, /**< This must always be the last value to indicate the limit for regexp errors */

    /*
     */
    U_IDNA_PROHIBITED_ERROR=0x10400,
    U_IDNA_ERROR_START=0x10400,
    U_IDNA_UNASSIGNED_ERROR,
    U_IDNA_CHECK_BIDI_ERROR,
    U_IDNA_STD3_ASCII_RULES_ERROR,
    U_IDNA_ACE_PREFIX_ERROR,
    U_IDNA_VERIFICATION_ERROR,
    U_IDNA_LABEL_TOO_LONG_ERROR,
    U_IDNA_ZERO_LENGTH_LABEL_ERROR,
    U_IDNA_DOMAIN_NAME_TOO_LONG_ERROR,
    U_IDNA_ERROR_LIMIT,
    /*
     */
    U_STRINGPREP_PROHIBITED_ERROR = U_IDNA_PROHIBITED_ERROR,
    U_STRINGPREP_UNASSIGNED_ERROR = U_IDNA_UNASSIGNED_ERROR,
    U_STRINGPREP_CHECK_BIDI_ERROR = U_IDNA_CHECK_BIDI_ERROR,
    
    /*
     */
    U_PLUGIN_ERROR_START=0x10500,         /**< Start of codes indicating plugin failures */
    U_PLUGIN_ERROR_START=0x10500,         /**< Start of codes indicating plugin failures */
    U_PLUGIN_TOO_HIGH=0x10500,            /**< The plugin's level is too high to be loaded right now. */
    U_PLUGIN_TOO_HIGH=0x10500,            /**< The plugin's level is too high to be loaded right now. */
    U_PLUGIN_DIDNT_SET_LEVEL,             /**< The plugin didn't call uplug_setPlugLevel in response to a QUERY */
    U_PLUGIN_DIDNT_SET_LEVEL,             /**< The plugin didn't call uplug_setPlugLevel in response to a QUERY */
    U_PLUGIN_ERROR_LIMIT,                 /**< This must always be the last value to indicate the limit for plugin errors */
    U_PLUGIN_ERROR_LIMIT,                 /**< This must always be the last value to indicate the limit for plugin errors */

    U_ERROR_LIMIT=U_PLUGIN_ERROR_LIMIT      /**< This must always be the last value to indicate the limit for UErrorCode (last error code +1) */
    U_ERROR_LIMIT=U_PLUGIN_ERROR_LIMIT      /**< This must always be the last value to indicate the limit for UErrorCode (last error code +1) */
} UErrorCode;

• If (NTDDI_VERSION >= NTDDI_WIN10_RS2)