| Symbolic constant | Hexadecimal value | Mouse or keyboard equivalent |
|---|---|---|
| VK_LBUTTON | 0x01 | Left mouse button. |
| VK_RBUTTON | 0x02 | Right mouse button. |
| VK_CANCEL | 0x03 | Control-break processing. |
| VK_MBUTTON | 0x04 | Middle mouse button on a three-button mouse. |
| 0x05-0x07 | Undefined. | |
| VK_BACK | 0x08 | BACKSPACE key. |
| VK_TAB | 0x09 | TAB key. |
| 0x0A-0x0B | Undefined. | |
| VK_CLEAR | 0x0C | CLEAR key. |
| VK_RETURN | 0x0D | ENTER key. |
| 0x0E-0x0F | Undefined. | |
| VK_SHIFT | 0x10 | SHIFT key. |
| VK_CONTROL | 0x11 | CTRL key. |
| VK_MENU | 0x12 | ALT key. |
| VK_PAUSE | 0x13 | PAUSE key. |
| VK_CAPITAL | 0x14 | CAPS LOCK key. |
| 0x15-0x19 | Reserved for Kanji systems. | |
| 0x1A | Undefined. | |
| VK_ESCAPE | 0x1B | ESC key. |
| 0x1C-0x1F | Reserved for Kanji systems. | |
| VK_SPACE | 0x20 | SPACEBAR. |
| VK_PRIOR | 0x21 | PAGE UP key. |
| VK_NEXT | 0x22 | PAGE DOWN key. |
| VK_END | 0x23 | END key. |
| VK_HOME | 0x24 | HOME key. |
| VK_LEFT | 0x25 | LEFT ARROW key. |
| VK_UP | 0x26 | UP ARROW key. |
| VK_RIGHT | 0x27 | RIGHT ARROW key. |
| VK_DOWN | 0x28 | DOWN ARROW key. |
| VK_SELECT | 0x29 | SELECT key. |
| 0x2A | Specific to OEM. | |
| VK_EXECUTE | 0x2B | EXECUTE key. |
| VK_SNAPSHOT | 0x2C | PRINT SCREEN key. |
| VK_INSERT | 0x2D | INS key. |
| VK_DELETE | 0x2E | DEL key. |
| VK_HELP | 0x2F | HELP key. |
| 0x3A-0x40 | Undefined. | |
| VK_LWIN | 0x5B | Left Windows key on a Microsoft Natural Keyboard. |
| VK_RWIN | 0x5C | Right Windows key on a Microsoft Natural Keyboard. |
| VK_APPS | 0x5D | Applications key on a Microsoft Natural Keyboard. |
| 0x5E-0x5F | Undefined. | |
| VK_NUMPAD0 | 0x60 | Numeric keypad 0 key. |
| VK_NUMPAD1 | 0x61 | Numeric keypad 1 key. |
| VK_NUMPAD2 | 0x62 | Numeric keypad 2 key. |
| VK_NUMPAD3 | 0x63 | Numeric keypad 3 key. |
| VK_NUMPAD4 | 0x64 | Numeric keypad 4 key. |
| VK_NUMPAD5 | 0x65 | Numeric keypad 5 key. |
| VK_NUMPAD6 | 0x66 | Numeric keypad 6 key. |
| VK_NUMPAD7 | 0x67 | Numeric keypad 7 key. |
| VK_NUMPAD8 | 0x68 | Numeric keypad 8 key. |
| VK_NUMPAD9 | 0x69 | Numeric keypad 9 key. |
| VK_MULTIPLY | 0x6A | Multiply key. |
| VK_ADD | 0x6B | Add key. |
| VK_SEPARATOR | 0x6C | Separator key. |
| VK_SUBTRACT | 0x6D | Subtract key. |
| VK_DECIMAL | 0x6E | Decimal key. |
| VK_DIVIDE | 0x6F | Divide key. |
| VK_F1 | 0x70 | F1 key. |
| VK_F2 | 0x71 | F2 key. |
| VK_F3 | 0x72 | F3 key. |
| VK_F4 | 0x73 | F4 key. |
| VK_F5 | 0x74 | F5 key. |
| VK_F6 | 0x75 | F6 key. |
| VK_F7 | 0x76 | F7 key. |
| VK_F8 | 0x77 | F8 key. |
| VK_F9 | 0x78 | F9 key. |
| VK_F10 | 0x79 | F10 key. |
| VK_F11 | 0x7A | F11 key. |
| VK_F12 | 0x7B | F12 key. |
| VK_F13 | 0x7C | F13 key. |
| VK_F14 | 0x7D | F14 key. |
| VK_F15 | 0x7E | F15 key. |
| VK_F16 | 0x7F | F16 key. |
| VK_F17 | 0x80 | F17 key. |
| VK_F18 | 0x81 | F18 key. |
| VK_F19 | 0x82 | F19 key. |
| VK_F20 | 0x83 | F20 key. |
| VK_F21 | 0x84 | F21 key. |
| VK_F22 | 0x85 | F22 key. |
| VK_F23 | 0x86 | F23 key. |
| VK_F24 | 0x87 | F24 key. |
| 0x88-0x8F | Unassigned. | |
| VK_NUMLOCK | 0x90 | NUM LOCK key. |
| VK_SCROLL | 0x91 | SCROLL LOCK key. |
| VK_LSHIFT | 0xA0 | Left SHIFT. |
| VK_RSHIFT | 0xA1 | Right SHIFT. |
| VK_LCONTROL | 0xA2 | Left CTRL. |
| VK_RCONTROL | 0xA3 | Right CTRL. |
| VK_LMENU | 0xA4 | Left ALT. |
| VK_RMENU | 0xA5 | Right ALT. |
| 0xBA-0xC0 | Specific to OEM; reserved. See following tables. | |
| 0xC1-0xDA | Unassigned. | |
| 0xDB-0xDE | Specific to OEM; reserved. See following tables. | |
| VK_OFF | 0xDF | Used to power the device on and off. No keyboard equivalent. |
| 0xE1-0xE4 | Specific to OEM. | |
| 0xE5 | Unassigned. | |
| 0xE6 | Specific to OEM. | |
| VK_PACKET | 0xE7 | Used to pass Unicode characters as if they were keystrokes. If VK_PACKET is used with SendInput, then the Unicode character to be delivered should be placed into the lower 16 bits of the scan code. If a keyboard message is removed from the message queue and the virtual key is VK_PACKET, then the Unicode character will be the upper 16 bits of the lparam. |
| 0xE8 | Unassigned. | |
| 0xE9-0xF5 | Specific to OEM. | |
| VK_ATTN | 0xF6 | ATTN key. |
| VK_CRSEL | 0xF7 | CRSEL key. |
| VK_EXSEL | 0xF8 | EXSEL key. |
| VK_EREOF | 0xF9 | Erase EOF key. |
| VK_PLAY | 0xFA | PLAY key. |
| VK_ZOOM | 0xFB | ZOOM key. |
| VK_NONAME | 0xFC | Reserved. |
| VK_PA1 | 0xFD | PA1 key. |
| VK_OEM_CLEAR | 0xFE | CLEAR key. |
OEMs should make special note of the VK key ranges reserved for specific OEM use: 2A, DB-E4, E6, and E9-F5.
In addition to the virtual key assignments in the previous table, Microsoft has assigned the following specific OEM virtual keys.
| Symbolic constant | Hexadecimal value | Mouse or keyboard equivalent |
|---|---|---|
| VK_OEM_SCROLL | 0x91 | None. |
| VK_OEM_1 | 0xBA | ";:" for US. |
| VK_OEM_PLUS | 0xBB | "+" any country/region. |
| VK_OEM_COMMA | 0xBC | "," any country/region. |
| VK_OEM_MINUS | 0xBD | "-" any country/region. |
| VK_OEM_PERIOD | 0xBE | "." any country/region. |
| VK_OEM_2 | 0xBF | "/?" for US. |
| VK_OEM_3 | 0xC0 | "`~" for US. |
| VK_OEM_4 | 0xDB | "[{" for US. |
| VK_OEM_5 | 0xDC | "\|" for US. |
| VK_OEM_6 | 0xDD | "]}" for US |
| VK_OEM_7 | 0xDE | "'"" for US. |
| VK_OEM_8 | 0xDF | None. By default, this is equivalent to VK_OFF. |
| VK_OEM_AX | 0xE1 | AX key on Japanese AX keyboard. |
| VK_OEM_102 | 0xE2 | "<>" or "\|" on RT 102-key keyboard. |
For East Asian Input Method Editors (IMEs), the following additional virtual keyboard definitions must be observed.
| Symbolic constant | Hexadecimal value | Description |
|---|---|---|
| VK_DBE_ALPHANUMERIC | 0x0f0 | Changes the mode to alphanumeric. |
| VK_DBE_KATAKANA | 0x0f1 | Changes the mode to Katakana. |
| VK_DBE_HIRAGANA | 0x0f2 | Changes the mode to Hiragana. |
| VK_DBE_SBCSCHAR | 0x0f3 | Changes the mode to single-byte characters. |
| VK_DBE_DBCSCHAR | 0x0f4 | Changes the mode to double-byte characters. |
| VK_DBE_ROMAN | 0x0f5 | Changes the mode to Roman characters. |
| VK_DBE_NOROMAN | 0x0f6 | Changes the mode to non-Roman characters. |
| VK_DBE_ENTERWORDREGISTERMODE | 0x0f7 | Activates the word registration dialog box. |
| VK_DBE_ENTERIMECONFIGMODE | 0x0f8 | Activates a dialog box for setting up an IME environment. |
| VK_DBE_FLUSHSTRING | 0x0f9 | Deletes the undetermined string without determining it. |
| VK_DBE_CODEINPUT | 0x0fa | Changes the mode to code input. |
| VK_DBE_NOCODEINPUT | 0x0fb | Changes the mode to no-code input. |
OEMs should not use the unassigned portions of the virtual key (VK) mapping tables. If manufacturers require additional VK mappings, they should reuse some of the current manufacturer-specific and vendor-specific assignments.