System.UITypes

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Among other things, the UITypes unit defines Virtual Keys providing symbolic constants for scan codes of keyboard keys.

Package	rtl270.bpl

Routines

IsAbortResult	Checks whether the AModalResult parameter indicates that the user has selected Abort or Cancel.
IsAnAllResult	Checks whether the AModalResult parameter indicates that the user has selected All, Yes to All, or No to All.
IsNegativeResult	Checks whether the AModalResult parameter indicates that the user has selected No or No to All.
IsPositiveResult	Checks whether the AModalResult parameter indicates that the user has selected Ok, Yes, Yes to All, or All.
StripAllFromResult	Converts AModalResult from a value that refers to "all" to the corresponding simple value.

Types

PAlphaColor	PAlphaColor is a pointer to TAlphaColor.
PAlphaColorF
PAlphaColorRec	PAlphaColorRec is a pointer to TAlphaColorRec.
PColor
PColorRec
System_Uitypes
TAlphaColor	TAlphaColor is used to specify alpha colors.
TAlphaColorF	TAlphaColorF is a color type that treats each R, G, B, and A component as floats.
TAlphaColorRec	TAlphaColorRec provides access to the color channels record.
TAlphaColors
TAnchorKind	TAnchorKind specifies how a control is anchored to its parent.
TAnchors
TBorderIcon
TBorderIcons
TCalDayOfWeek	Defines one of the days in a week.
TCloseAction
TColor	TColor is used to specify the color of a control.
TColorRec	TColorRec provides access to the color channels record.
TColorRef
TColors
TCursor
TDialogType
TDragKind
TDragMode	TDragMode indicates how a control initiates drag operations.
TDragState
TEditCharCase	Enumerates the character case for text.
TFontCharset	TFontCharset represents the character set of a font.
TFontDataName
TFontName	String that holds the typeface name of a font.
TFontPitch	Type of font pitch.
TFontQuality
TFontStyle	TFontStyle and TFontStyles specify the style characteristics of a font.
TFontStyles	TFontStyle and TFontStyles specify the style characteristics of a font.
TFontStylesBase
TImageIndex	TImageIndex is an alias for the Integer type.
TImageName
TModalResult	Determines whether and how a modal form is closed.
TMouseActivate
TMouseButton
TMsgDlgBtn	Represents a dialog box button.
TMsgDlgButtons	Delphi set of dialog box buttons.
TMsgDlgType	Type of dialog box, which usually affects its appearance.
TOpenOption
TOpenOptionEx	Sets one extended open option, ofExNoPlacesBar, for a file open dialog box.
TOpenOptions	TOpenOption and TOpenOptions determine the behavior of a file selection dialog such as FMX.Dialogs.TOpenDialog.
TOpenOptionsEx
TPageMeasureUnits
TPageSetupDialogOption	Specifies options for the FMX.Printer.TPageSetupDialog component.
TPageSetupDialogOptions	The System.UITypes.TPageSetupDialogOptions type is a set of System.UITypes.TPageSetupDialogOption values.
TPageType
TPrintDialogOption	Specifies options for the FMX.Printer.TPrintDialog component.
TPrintDialogOptions	The System.UITypes.TPrintDialogOptions type is a set of System.UITypes.TPrintDialogOption values.
TPrinterCapabilities
TPrinterCapability
TPrinterKind
TPrinterOrientation
TPrinterState
TPrintRange
TScrollCode
TScrollStyle
TTabOrder
TTouchTracking	Defines the touch tracking directions.
TWindowState	TWindowState indicates whether a form is maximized, minimized, or normally sized.

Constants

cgiFirst	cgiFirst: Integer = $FFFFFE00;
cgiLast	cgiLast: Integer = $FFFFFFFF;
crAppStart	crAppStart: TCursor = $FFFFFFED;
crArrow	crArrow: TCursor = $FFFFFFFE;
crCross	crCross: TCursor = $FFFFFFFD;
crDefault	crDefault: TCursor = 0;
crDrag	crDrag: TCursor = $FFFFFFF4;
crHandPoint	crHandPoint: TCursor = $FFFFFFEB;
crHelp	crHelp: TCursor = $FFFFFFEC;
crHourGlass	crHourGlass: TCursor = $FFFFFFF5;
crHSplit	crHSplit: TCursor = $FFFFFFF2;
crIBeam	crIBeam: TCursor = $FFFFFFFC;
crMultiDrag	crMultiDrag: TCursor = $FFFFFFF0;
crNo	crNo: TCursor = $FFFFFFEE;
crNoDrop	crNoDrop: TCursor = $FFFFFFF3;
crNone	crNone: TCursor = $FFFFFFFF;
crSize	crSize: TCursor = $FFFFFFEA;
crSizeAll	crSizeAll: TCursor = $FFFFFFEA;
crSizeNESW	crSizeNESW: TCursor = $FFFFFFFA;
crSizeNS	crSizeNS: TCursor = $FFFFFFF9;
crSizeNWSE	crSizeNWSE: TCursor = $FFFFFFF8;
crSizeWE	crSizeWE: TCursor = $FFFFFFF7;
crSQLWait	crSQLWait: TCursor = $FFFFFFEF;
crUpArrow	crUpArrow: TCursor = $FFFFFFF6;
crVSplit	crVSplit: TCursor = $FFFFFFF1;
idAbort	idAbort: Integer = 3;
idCancel	idCancel: Integer = 2;
idClose	idClose: Integer = 8;
idContinue	idContinue: Integer = $B;
idHelp	idHelp: Integer = 9;
idIgnore	idIgnore: Integer = 5;
idNo	idNo: Integer = 7;
idOK	idOK: Integer = 1;
idRetry	idRetry: Integer = 4;
idTryAgain	idTryAgain: Integer = $A;
idYes	idYes: Integer = 6;
igiBegin	igiBegin: Integer = $101;
igiDoubleTap	igiDoubleTap: Integer = $109;
igiEnd	igiEnd: Integer = $102;
igiFirst	igiFirst: Integer = $100;
igiLast	igiLast: Integer = $1FF;
igiLongTap	igiLongTap: Integer = $108;
igiPan	igiPan: Integer = $104;
igiPressAndTap	igiPressAndTap: Integer = $107;
igiRotate	igiRotate: Integer = $105;
igiTwoFingerTap	igiTwoFingerTap: Integer = $106;
igiZoom	igiZoom: Integer = $103;
LF_FACESIZE	LF_FACESIZE: Integer = $20;
mrAbort	mrAbort: Integer = 3;
mrAll	mrAll: Integer = $C;
mrCancel	mrCancel: Integer = 2;
mrClose	mrClose: Integer = 8;
mrContinue	mrContinue: Integer = $B;
mrHelp	mrHelp: Integer = 9;
mrIgnore	mrIgnore: Integer = 5;
mrNo	mrNo: Integer = 7;
mrNone	mrNone: Integer = 0;
mrNoToAll	mrNoToAll: Integer = $D;
mrOk	mrOk: Integer = 1;
mrRetry	mrRetry: Integer = 4;
mrTryAgain	mrTryAgain: Integer = $A;
mrYes	mrYes: Integer = 6;
mrYesToAll	mrYesToAll: Integer = $E;
rgiFirst	rgiFirst: Integer = $FFFFFC00;
rgiLast	rgiLast: Integer = $FFFFFDFF;
sgiCheck	sgiCheck: Integer = $18;
sgiChevronDown	sgiChevronDown: Integer = $20;
sgiChevronLeft	sgiChevronLeft: Integer = $21;
sgiChevronRight	sgiChevronRight: Integer = $22;
sgiChevronUp	sgiChevronUp: Integer = $1F;
sgiCircle	sgiCircle: Integer = $1B;
sgiCurlicue	sgiCurlicue: Integer = $19;
sgiDoubleCircle	sgiDoubleCircle: Integer = $1C;
sgiDoubleCurlicue	sgiDoubleCurlicue: Integer = $1A;
sgiDown	sgiDown: Integer = 4;
sgiDownLeft	sgiDownLeft: Integer = 7;
sgiDownLeftLong	sgiDownLeftLong: Integer = $13;
sgiDownRight	sgiDownRight: Integer = 8;
sgiDownRightLong	sgiDownRightLong: Integer = $14;
sgiDownUp	sgiDownUp: Integer = $E;
sgiFirst	sgiFirst: Integer = 1;
sgiLast	sgiLast: Integer = $22;
sgiLeft	sgiLeft: Integer = 1;
sgiLeftDown	sgiLeftDown: Integer = $A;
sgiLeftRight	sgiLeftRight: Integer = $F;
sgiLeftUp	sgiLeftUp: Integer = 9;
sgiNoGesture	sgiNoGesture: Integer = 0;
sgiRight	sgiRight: Integer = 2;
sgiRightDown	sgiRightDown: Integer = $C;
sgiRightLeft	sgiRightLeft: Integer = $10;
sgiRightUp	sgiRightUp: Integer = $B;
sgiScratchout	sgiScratchout: Integer = $15;
sgiSemiCircleLeft	sgiSemiCircleLeft: Integer = $1D;
sgiSemiCircleRight	sgiSemiCircleRight: Integer = $1E;
sgiSquare	sgiSquare: Integer = $17;
sgiTriangle	sgiTriangle: Integer = $16;
sgiUp	sgiUp: Integer = 3;
sgiUpDown	sgiUpDown: Integer = $D;
sgiUpLeft	sgiUpLeft: Integer = 5;
sgiUpLeftLong	sgiUpLeftLong: Integer = $11;
sgiUpRight	sgiUpRight: Integer = 6;
sgiUpRightLong	sgiUpRightLong: Integer = $12;
vk0	vk0: Integer = $30;
vk1	vk1: Integer = $31;
vk2	vk2: Integer = $32;
vk3	vk3: Integer = $33;
vk4	vk4: Integer = $34;
vk5	vk5: Integer = $35;
vk6	vk6: Integer = $36;
vk7	vk7: Integer = $37;
vk8	vk8: Integer = $38;
vk9	vk9: Integer = $39;
vkA	vkA: Integer = $41;
vkAccept	vkAccept: Integer = $1E;
vkAdd	vkAdd: Integer = $6B;
vkApps	vkApps: Integer = $5D;
vkAttn	vkAttn: Integer = $F6;
vkB	vkB: Integer = $42;
vkBack	vkBack: Integer = 8;
vkBackslash	vkBackslash: Integer = $DC;
vkBrowserBack	vkBrowserBack: Integer = $A6;
vkBrowserFavorites	vkBrowserFavorites: Integer = $AB;
vkBrowserForward	vkBrowserForward: Integer = $A7;
vkBrowserHome	vkBrowserHome: Integer = $AC;
vkBrowserRefresh	vkBrowserRefresh: Integer = $A8;
vkBrowserSearch	vkBrowserSearch: Integer = $AA;
vkBrowserStop	vkBrowserStop: Integer = $A9;
vkC	vkC: Integer = $43;
vkCamera	vkCamera: Integer = $88;
vkCancel	vkCancel: Integer = 3;
vkCapital	vkCapital: Integer = $14;
vkClear	vkClear: Integer = $C;
vkComma	vkComma: Integer = $BC;
vkControl	vkControl: Integer = $11;
vkConvert	vkConvert: Integer = $1C;
vkCrsel	vkCrsel: Integer = $F7;
vkD	vkD: Integer = $44;
vkDecimal	vkDecimal: Integer = $6E;
vkDelete	vkDelete: Integer = $2E;
vkDivide	vkDivide: Integer = $6F;
vkDown	vkDown: Integer = $28;
vkE	vkE: Integer = $45;
vkEnd	vkEnd: Integer = $23;
vkEqual	vkEqual: Integer = $BB;
vkErEof	vkErEof: Integer = $F9;
vkEscape	vkEscape: Integer = $1B;
vkExecute	vkExecute: Integer = $2B;
vkExsel	vkExsel: Integer = $F8;
vkF	vkF: Integer = $46;
vkF1	vkF1: Integer = $70;
vkF10	vkF10: Integer = $79;
vkF11	vkF11: Integer = $7A;
vkF12	vkF12: Integer = $7B;
vkF13	vkF13: Integer = $7C;
vkF14	vkF14: Integer = $7D;
vkF15	vkF15: Integer = $7E;
vkF16	vkF16: Integer = $7F;
vkF17	vkF17: Integer = $80;
vkF18	vkF18: Integer = $81;
vkF19	vkF19: Integer = $82;
vkF2	vkF2: Integer = $71;
vkF20	vkF20: Integer = $83;
vkF21	vkF21: Integer = $84;
vkF22	vkF22: Integer = $85;
vkF23	vkF23: Integer = $86;
vkF24	vkF24: Integer = $87;
vkF3	vkF3: Integer = $72;
vkF4	vkF4: Integer = $73;
vkF5	vkF5: Integer = $74;
vkF6	vkF6: Integer = $75;
vkF7	vkF7: Integer = $76;
vkF8	vkF8: Integer = $77;
vkF9	vkF9: Integer = $78;
vkFinal	vkFinal: Integer = $18;
vkG	vkG: Integer = $47;
vkH	vkH: Integer = $48;
vkHangul	vkHangul: Integer = $15;
vkHanja	vkHanja: Integer = $19;
vkHardwareBack	vkHardwareBack: Integer = $89;
vkHelp	vkHelp: Integer = $2F;
vkHome	vkHome: Integer = $24;
vkI	vkI: Integer = $49;
vkIco00	vkIco00: Integer = $E4;
vkIcoClear	vkIcoClear: Integer = $E6;
vkIcoHelp	vkIcoHelp: Integer = $E3;
vkInsert	vkInsert: Integer = $2D;
vkJ	vkJ: Integer = $4A;
vkJunja	vkJunja: Integer = $17;
vkK	vkK: Integer = $4B;
vkKana	vkKana: Integer = $15;
vkKanji	vkKanji: Integer = $19;
vkL	vkL: Integer = $4C;
vkLaunchApp1	vkLaunchApp1: Integer = $B6;
vkLaunchApp2	vkLaunchApp2: Integer = $B7;
vkLaunchMail	vkLaunchMail: Integer = $B4;
vkLaunchMediaSelect	vkLaunchMediaSelect: Integer = $B5;
vkLButton	vkLButton: Integer = 1;
vkLControl	vkLControl: Integer = $A2;
vkLeft	vkLeft: Integer = $25;
vkLeftBracket	vkLeftBracket: Integer = $DB;
vkLineFeed	vkLineFeed: Integer = $A;
vkLMenu	vkLMenu: Integer = $A4;
vkLShift	vkLShift: Integer = $A0;
vkLWin	vkLWin: Integer = $5B;
vkM	vkM: Integer = $4D;
vkMButton	vkMButton: Integer = 4;
vkMediaNextTrack	vkMediaNextTrack: Integer = $B0;
vkMediaPlayPause	vkMediaPlayPause: Integer = $B3;
vkMediaPrevTrack	vkMediaPrevTrack: Integer = $B1;
vkMediaStop	vkMediaStop: Integer = $B2;
vkMenu	vkMenu: Integer = $12;
vkMinus	vkMinus: Integer = $BD;
vkModeChange	vkModeChange: Integer = $1F;
vkMultiply	vkMultiply: Integer = $6A;
vkN	vkN: Integer = $4E;
vkNext	vkNext: Integer = $22;
vkNoname	vkNoname: Integer = $FC;
vkNonConvert	vkNonConvert: Integer = $1D;
vkNone	vkNone: Integer = $FF;
vkNumLock	vkNumLock: Integer = $90;
vkNumpad0	vkNumpad0: Integer = $60;
vkNumpad1	vkNumpad1: Integer = $61;
vkNumpad2	vkNumpad2: Integer = $62;
vkNumpad3	vkNumpad3: Integer = $63;
vkNumpad4	vkNumpad4: Integer = $64;
vkNumpad5	vkNumpad5: Integer = $65;
vkNumpad6	vkNumpad6: Integer = $66;
vkNumpad7	vkNumpad7: Integer = $67;
vkNumpad8	vkNumpad8: Integer = $68;
vkNumpad9	vkNumpad9: Integer = $69;
vkO	vkO: Integer = $4F;
vkOem102	vkOem102: Integer = $E2;
vkOemClear	vkOemClear: Integer = $FE;
vkP	vkP: Integer = $50;
vkPA1	vkPA1: Integer = $FD;
vkPacket	vkPacket: Integer = $E7;
vkPara	vkPara: Integer = $DF;
vkPause	vkPause: Integer = $13;
vkPeriod	vkPeriod: Integer = $BE;
vkPlay	vkPlay: Integer = $FA;
vkPrint	vkPrint: Integer = $2A;
vkPrior	vkPrior: Integer = $21;
vkProcessKey	vkProcessKey: Integer = $E5;
vkQ	vkQ: Integer = $51;
vkQuote	vkQuote: Integer = $DE;
vkR	vkR: Integer = $52;
vkRButton	vkRButton: Integer = 2;
vkRControl	vkRControl: Integer = $A3;
vkReturn	vkReturn: Integer = $D;
vkRight	vkRight: Integer = $27;
vkRightBracket	vkRightBracket: Integer = $DD;
vkRMenu	vkRMenu: Integer = $A5;
vkRShift	vkRShift: Integer = $A1;
vkRWin	vkRWin: Integer = $5C;
vkS	vkS: Integer = $53;
vkScroll	vkScroll: Integer = $91;
vkSelect	vkSelect: Integer = $29;
vkSemicolon	vkSemicolon: Integer = $BA;
vkSeparator	vkSeparator: Integer = $6C;
vkShift	vkShift: Integer = $10;
vkSlash	vkSlash: Integer = $BF;
vkSleep	vkSleep: Integer = $5F;
vkSnapshot	vkSnapshot: Integer = $2C;
vkSpace	vkSpace: Integer = $20;
vkSubtract	vkSubtract: Integer = $6D;
vkT	vkT: Integer = $54;
vkTab	vkTab: Integer = 9;
vkTilde	vkTilde: Integer = $C0;
vkU	vkU: Integer = $55;
vkUp	vkUp: Integer = $26;
vkV	vkV: Integer = $56;
vkVolumeDown	vkVolumeDown: Integer = $AE;
vkVolumeMute	vkVolumeMute: Integer = $AD;
vkVolumeUp	vkVolumeUp: Integer = $AF;
vkW	vkW: Integer = $57;
vkX	vkX: Integer = $58;
vkXButton1	vkXButton1: Integer = 5;
vkXButton2	vkXButton2: Integer = 6;
vkY	vkY: Integer = $59;
vkZ	vkZ: Integer = $5A;
vkZoom	vkZoom: Integer = $FB;

Virtual Keys

Virtual keys provide a symbolic representation of keyboard keys pressed by the user. Virtual keys are used in methods like FMX.Forms.TCommonCustomForm.KeyDown.

Virtual key constants define scan codes of keys on PC keyboards. Mac keyboards have different scan codes for some keys. FireMonkey converts Mac scan codes to be equal to the virtual key constants defined in this table.

Virtual Key Code	Keyboard Key
vkLButton	Left mouse button
vkRButton	Right mouse button
vkCancel	CONTROL+BREAK processing
vkMButton	Middle mouse button (three-button mouse)
vkXButton1	Left lateral mouse button
vkXButton2	Right lateral mouse button
vkBack	BACKSPACE key
vkTab	TAB key
vkLineFeed	New line $0A
vkClear	CLEAR key
vkReturn	ENTER key. On Mac keyboard the numeric keypad's ENTER key has different scan code, but FireMonkey converts it to this vkReturn constant value.
vkShift	SHIFT key
vkControl	CTRL key
vkMenu	ALT key
vkPause	PAUSE key
vkCapital	CAPS LOCK key
vkKana	Input Method Editor (IME) Kana mode
vkHagul	IME Hangul mode
vkJunja	IME Junja mode
vkFinal	IME Final mode
vkHanja	IME Hanja mode
vkHardwareBack	On Android devices. BACK key--a button that will take the user back to the previous state.
vkKanji	IME Kanji mode
vkConvert	IME convert
vkNonConvert	IME nonconvert
vkAccept	IME accept
vkModeChange	Used with IME
vkEscape	ESC key
vkSpace	SPACEBAR key
vkPrior	PAGE UP key
vkNext	PAGE DOWN key
vkEnd	END key
vkHome	HOME key
vkLeft	LEFT ARROW key
vkUp	UP ARROW key
vkRight	RIGHT ARROW key
vkDown	DOWN ARROW key
vkSelect	SELECT key
vkPrint	PRINT key (keyboard-specific)
vkExecute	EXECUTE key
vkSnapshot	PRINT SCREEN key
vkInsert	INSERT key
vkDelete	DELETE key
vkHelp	HELP key
vk0	0 key
vk1	1 key
vk2	2 key
vk3	3 key
vk4	4 key
vk5	5 key
vk6	6 key
vk7	7 key
vk8	8 key
vk9	9 key
vkA	A key
vkB	B key
vkC	C key
vkD	D key
vkE	E key
vkF	F key
vkG	G key
vkH	H key
vkI	I key
vkJ	J key
vkK	K key
vkL	L key
vkM	M key
vkN	N key
vkO	O key
vkP	P key
vkR	R key
vkS	S key
vkT	T key
vkU	U key
vkV	V key
vkW	W key
vkX	X key
vkY	Y key
vkZ	Z key
vkLWin	Left Windows key (Microsoft keyboard)
vkRWin	Right Windows key (Microsoft keyboard)
vkApps	Applications key (Microsoft keyboard)
vkSleep	Computer Sleep key
vkNumpad0	0 key (numeric keypad)
vkNumpad1	1 key (numeric keypad)
vkNumpad2	2 key (numeric keypad)
vkNumpad3	3 key (numeric keypad)
vkNumpad4	4 key (numeric keypad)
vkNumpad5	5 key (numeric keypad)
vkNumpad6	6 key (numeric keypad)
vkNumpad7	7 key (numeric keypad)
vkNumpad8	8 key (numeric keypad)
vkNumpad9	9 key (numeric keypad)
vkMultiply	Multiply key (numeric keypad)
vkAdd	Add key (numeric keypad)
vkSeparator	Separator key (numeric keypad)
vkSubtract	Subtract key (numeric keypad)
vkDecimal	Decimal key (numeric keypad)
vkDivide	Divide key (numeric keypad)
vkF1	F1 key
vkF2	F2 key
vkF3	F3 key
vkF4	F4 key
vkF5	F5 key
vkF6	F6 key
vkF7	F7 key
vkF8	F8 key
vkF9	F9 key
vkF10	F10 key
vkF11	F11 key
vkF12	F12 key
vkF13	F13 key
vkF14	F14 key
vkF15	F15 key
vkF16	F16 key
vkF17	F17 key
vkF18	F18 key
vkF19	F19 key
vkF20	F20 key
vkF21	F21 key
vkF22	F22 key
vkF23	F23 key
vkF24	F24 key
vkNumLock	Num Lock key
vkScroll	Scroll Lock key
vkLShift	Left Shift key
vkRShift	Right Shift key
vkLControl	Left CONTROL key
vkRControl	Right CONTROL key
vkLMenu	Left ALT key
vkRMenu	Right Alt key
vkBrowserBack	Browser Back key
vkBrowserForward	Browser Forward key. On Mac keyboards this is the $ key
vkBrowserRefresh	Browser Refresh key
vkBrowserStop	Browser Stop key
vkBrowserSearch	Browser Search key
vkBrowserFavorites	Browser Favorites key
vkBrowserHome	Browser Start and Home key
vkVolumeMute	Volume Mute key
vkVolumeDown	Volume Down key
vkVolumeUp	Volume Up key
vkMediaNextTrack	Next Track key
vkMediaPrevTrack	Previous Track key
vkMediaStop	Stop Media key
vkMediaPlayPause	Play/Pause Media key
vkLaunchMail	Start Mail key
vkLaunchMediaSelect	Select Media key
vkLaunchApp1	Start Application1 key
vkLaunchApp2	Start Application2 key
vkSemicolon	Semicolon key (;)
vkEqual	Equal key =
vkComma	Comma key (,)
vkMinus	Minus key (-)
vlPeriod	Period key (.)
vkSlash	Slash key (/)
vkTilde	Tilde key (~)
vkLeftBracket	Left bracket key (()
vkBackSlash	Back slash key \ right-side positioned on keyboards. Notice the difference from vkOem102, which implementation depends on a keyboard manufacturer. On Microsoft keyboards, vkOem102 corresponds to the back slash \ key left-side positioned on keyboards.
vkRightBracket	Right bracket key ())
vkQuote	Quote key (")
vkProcessKey	IME PROCESS key
vkPacket	Used to pass Unicode characters as if they were keystrokes. The vkPacket key is the low word of a 32-bit Virtual Key value used for non-keyboard input methods. (Windows 2000/XP)
vkAttn	Attn key
vkCrsel	CrSel key
vkExsel	ExSel key
vkErEof	Erase EOF key
vkPlay	Play key
vkZoom	Zoom key
vkNoname	Reserved for future use
vkPA1	PA1 key
vkOemClear	Clear key
vkOem102	Depends on a keyboard manufacturer. On Japanese Mac keyboards, vkOem102 corresponds to the yen sign (¥) key. On Microsoft keyboards, vkOem102 corresponds to the back slash \ key left-side positioned on the keyboard. Notice the difference from vkBackSlash that corresponds to the back slash \ key right-side positioned on the keyboard.
vkNone	Depends on a keyboard manufacturer. On Japanese Mac keyboards, vkNone is the underscore key to the left of the right-side SHIFT key. vkNone is not usually represented on other keyboards.