This enumeration lists all the raw key values. The enumeration sports the FlagsAttribute, and you can therefore combine the key codes in a bitwise manner to indicate multiple keys pressed simultaneously. In particular, this supports modifier keys such as CTRL, SHIFT, and ALT.

public enum Keys {
   None = 0x00000000,
   LButton = 0x00000001,
   RButton = 0x00000002,
   Cancel = 0x00000003,
   MButton = 0x00000004,
   XButton1 = 0x00000005,
   XButton2 = 0x00000006,
   Back = 0x00000008,
   Tab = 0x00000009,
   LineFeed = 0x0000000A,
   Clear = 0x0000000C,
   Return = 0x0000000D,
   Enter = 0x0000000D,
   ShiftKey = 0x00000010,
   ControlKey = 0x00000011,
   Menu = 0x00000012,
   Pause = 0x00000013,
   CapsLock = 0x00000014,
   Capital = 0x00000014,
   KanaMode = 0x00000015,
   HanguelMode = 0x00000015,
   HangulMode = 0x00000015,
   JunjaMode = 0x00000017,
   FinalMode = 0x00000018,
   KanjiMode = 0x00000019,
   HanjaMode = 0x00000019,
   Escape = 0x0000001B,
   IMEConvert = 0x0000001C,
   IMENonconvert = 0x0000001D,
   IMEAceept = 0x0000001E,
   IMEModeChange = 0x0000001F,
   Space = 0x00000020,
   PageUp = 0x00000021,
   Prior = 0x00000021,
   PageDown = 0x00000022,
   Next = 0x00000022,
   End = 0x00000023,
   Home = 0x00000024,
   Left = 0x00000025,
   Up = 0x00000026,
   Right = 0x00000027,
   Down = 0x00000028,
   Select = 0x00000029,
   Print = 0x0000002A,
   Execute = 0x0000002B,
   PrintScreen = 0x0000002C,
   Snapshot = 0x0000002C,
   Insert = 0x0000002D,
   Delete = 0x0000002E,
   Help = 0x0000002F,
   D0 = 0x00000030,
   D1 = 0x00000031,
   D2 = 0x00000032,
   D3 = 0x00000033,
   D4 = 0x00000034,
   D5 = 0x00000035,
   D6 = 0x00000036,
   D7 = 0x00000037,
   D8 = 0x00000038,
   D9 = 0x00000039,
   A = 0x00000041,
   B = 0x00000042,
   C = 0x00000043,
   D = 0x00000044,
   E = 0x00000045,
   F = 0x00000046,
   G = 0x00000047,
   H = 0x00000048,
   I = 0x00000049,
   J = 0x0000004A,
   K = 0x0000004B,
   L = 0x0000004C,
   M = 0x0000004D,
   N = 0x0000004E,
   O = 0x0000004F,
   P = 0x00000050,
   Q = 0x00000051,
   R = 0x00000052,
   S = 0x00000053,
   T = 0x00000054,
   U = 0x00000055,
   V = 0x00000056,
   W = 0x00000057,
   X = 0x00000058,
   Y = 0x00000059,
   Z = 0x0000005A,
   LWin = 0x0000005B,
   RWin = 0x0000005C,
   Apps = 0x0000005D,
   NumPad0 = 0x00000060,
   NumPad1 = 0x00000061,
   NumPad2 = 0x00000062,
   NumPad3 = 0x00000063,
   NumPad4 = 0x00000064,
   NumPad5 = 0x00000065,
   NumPad6 = 0x00000066,
   NumPad7 = 0x00000067,
   NumPad8 = 0x00000068,
   NumPad9 = 0x00000069,
   Multiply = 0x0000006A,
   Add = 0x0000006B,
   Separator = 0x0000006C,
   Subtract = 0x0000006D,
   Decimal = 0x0000006E,
   Divide = 0x0000006F,
   F1 = 0x00000070,
   F2 = 0x00000071,
   F3 = 0x00000072,
   F4 = 0x00000073,
   F5 = 0x00000074,
   F6 = 0x00000075,
   F7 = 0x00000076,
   F8 = 0x00000077,
   F9 = 0x00000078,
   F10 = 0x00000079,
   F11 = 0x0000007A,
   F12 = 0x0000007B,
   F13 = 0x0000007C,
   F14 = 0x0000007D,
   F15 = 0x0000007E,
   F16 = 0x0000007F,
   F17 = 0x00000080,
   F18 = 0x00000081,
   F19 = 0x00000082,
   F20 = 0x00000083,
   F21 = 0x00000084,
   F22 = 0x00000085,
   F23 = 0x00000086,
   F24 = 0x00000087,
   NumLock = 0x00000090,
   Scroll = 0x00000091,
   LShiftKey = 0x000000A0,
   RShiftKey = 0x000000A1,
   LControlKey = 0x000000A2,
   RControlKey = 0x000000A3,
   LMenu = 0x000000A4,
   RMenu = 0x000000A5,
   BrowserBack = 0x000000A6,
   BrowserForward = 0x000000A7,
   BrowserRefresh = 0x000000A8,
   BrowserStop = 0x000000A9,
   BrowserSearch = 0x000000AA,
   BrowserFavorites = 0x000000AB,
   BrowserHome = 0x000000AC,
   VolumeMute = 0x000000AD,
   VolumeDown = 0x000000AE,
   VolumeUp = 0x000000AF,
   MediaNextTrack = 0x000000B0,
   MediaPreviousTrack = 0x000000B1,
   MediaStop = 0x000000B2,
   MediaPlayPause = 0x000000B3,
   LaunchMail = 0x000000B4,
   SelectMedia = 0x000000B5,
   LaunchApplication1 = 0x000000B6,
   LaunchApplication2 = 0x000000B7,
   OemSemicolon = 0x000000BA,
   Oemplus = 0x000000BB,
   Oemcomma = 0x000000BC,
   OemMinus = 0x000000BD,
   OemPeriod = 0x000000BE,
   OemQuestion = 0x000000BF,
   Oemtilde = 0x000000C0,
   OemOpenBrackets = 0x000000DB,
   OemPipe = 0x000000DC,
   OemCloseBrackets = 0x000000DD,
   OemQuotes = 0x000000DE,
   Oem8 = 0x000000DF,
   OemBackslash = 0x000000E2,
   ProcessKey = 0x000000E5,
   Attn = 0x000000F6,
   Crsel = 0x000000F7,
   Exsel = 0x000000F8,
   EraseEof = 0x000000F9,
   Play = 0x000000FA,
   Zoom = 0x000000FB,
   NoName = 0x000000FC,
   Pa1 = 0x000000FD,
   OemClear = 0x000000FE,
   KeyCode = 0x0000FFFF,
   Shift = 0x00010000,
   Control = 0x00020000,
   Alt = 0x00040000,
   Modifiers = 0xFFFF0000
}

Hierarchy

System.Object System.ValueType System.Enum(System.IComparabl, System.IFormattable, System.IConvertible) Keys

Returned By

Control.ModifierKeys, KeyEventArgs.{KeyCode, KeyData, Modifiers}

Passed To

Control.{IsInputKey(), ProcessCmdKey(), ProcessDialogKey()}, DataGrid.ProcessTabKey(), KeyEventArgs.KeyEventArgs()