from http://blog.vckbase.com/lishengg_blog/archive/2004/10/28/1141.aspx
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The following table shows the symbolic constant names, hexadecimal values, and mouse or keyboard equivalents for the virtual-key codes used by the system. The codes are listed in numeric order.
Virtual-Key Codes

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The following table shows the symbolic constant names, hexadecimal values, and mouse or keyboard equivalents for the virtual-key codes used by the system. The codes are listed in numeric order.

Constants

VK_LBUTTON (01)
Left mouse button

VK_RBUTTON (02)
Right mouse button

VK_CANCEL (03)
Control-break processing

VK_MBUTTON (04)
Middle mouse button (three-button mouse)

VK_XBUTTON1 (05)
Windows 2000/XP: X1 mouse button

VK_XBUTTON2 (06)
Windows 2000/XP: X2 mouse button

- (07)
Undefined

VK_BACK (08)
BACKSPACE key

VK_TAB (09)
TAB key

- (0A-0B)
Reserved

VK_CLEAR (0C)
CLEAR key

VK_RETURN (0D)
ENTER key

- (0E-0F)
Undefined

VK_SHIFT (10)
SHIFT key

VK_CONTROL (11)
CTRL key

VK_MENU (12)
ALT key

VK_PAUSE (13)
PAUSE key

VK_CAPITAL (14)
CAPS LOCK key

VK_KANA (15)
Input Method Editor (IME) Kana mode

VK_HANGUEL (15)
IME Hanguel mode (maintained for compatibility; use VK_HANGUL)

VK_HANGUL (15)
IME Hangul mode

- (16)
Undefined

VK_JUNJA (17)
IME Junja mode

VK_FINAL (18)
IME final mode

VK_HANJA (19)
IME Hanja mode

VK_KANJI (19)
IME Kanji mode

- (1A)
Undefined

VK_ESCAPE (1B)
ESC key

VK_CONVERT (1C)
IME convert

VK_NONCONVERT (1D)
IME nonconvert

VK_ACCEPT (1E)
IME accept

VK_MODECHANGE (1F)
IME mode change request

VK_SPACE (20)
SPACEBAR

VK_PRIOR (21)
PAGE UP key

VK_NEXT (22)
PAGE DOWN key

VK_END (23)
END key

VK_HOME (24)
HOME key

VK_LEFT (25)
LEFT ARROW key

VK_UP (26)
UP ARROW key

VK_RIGHT (27)
RIGHT ARROW key

VK_DOWN (28)
DOWN ARROW key

VK_SELECT (29)
SELECT key

VK_PRINT (2A)
PRINT key

VK_EXECUTE (2B)
EXECUTE key

VK_SNAPSHOT (2C)
PRINT SCREEN key

VK_INSERT (2D)
INS key

VK_DELETE (2E)
DEL key

VK_HELP (2F)
HELP key

(30)
0 key

(31)
1 key

(32)
2 key

(33)
3 key

(34)
4 key

(35)
5 key

(36)
6 key

(37)
7 key

(38)
8 key

(39)
9 key

- (3A-40)
Undefined

(41)
A key

(42)
B key

(43)
C key

(44)
D key

(45)
E key

(46)
F key

(47)
G key

(48)
H key

(49)
I key

(4A)
J key

(4B)
K key

(4C)
L key

(4D)
M key

(4E)
N key

(4F)
O key

(50)
P key

(51)
Q key

(52)
R key

(53)
S key

(54)
T key

(55)
U key

(56)
V key

(57)
W key

(58)
X key

(59)
Y key

(5A)
Z key

VK_LWIN (5B)
Left Windows key (Microsoft? Natural? keyboard)

VK_RWIN (5C)
Right Windows key (Natural keyboard)

VK_APPS (5D)
Applications key (Natural keyboard)

- (5E)
Reserved

VK_SLEEP (5F)
Computer Sleep key

VK_NUMPAD0 (60)
Numeric keypad 0 key

VK_NUMPAD1 (61)
Numeric keypad 1 key

VK_NUMPAD2 (62)
Numeric keypad 2 key

VK_NUMPAD3 (63)
Numeric keypad 3 key

VK_NUMPAD4 (64)
Numeric keypad 4 key

VK_NUMPAD5 (65)
Numeric keypad 5 key

VK_NUMPAD6 (66)
Numeric keypad 6 key

VK_NUMPAD7 (67)
Numeric keypad 7 key

VK_NUMPAD8 (68)
Numeric keypad 8 key

VK_NUMPAD9 (69)
Numeric keypad 9 key

VK_MULTIPLY (6A)
Multiply key

VK_ADD (6B)
Add key

VK_SEPARATOR (6C)
Separator key

VK_SUBTRACT (6D)
Subtract key

VK_DECIMAL (6E)
Decimal key

VK_DIVIDE (6F)
Divide key

VK_F1 (70)
F1 key

VK_F2 (71)
F2 key

VK_F3 (72)
F3 key

VK_F4 (73)
F4 key

VK_F5 (74)
F5 key

VK_F6 (75)
F6 key

VK_F7 (76)
F7 key

VK_F8 (77)
F8 key

VK_F9 (78)
F9 key

VK_F10 (79)
F10 key

VK_F11 (7A)
F11 key

VK_F12 (7B)
F12 key

VK_F13 (7C)
F13 key

VK_F14 (7D)
F14 key

VK_F15 (7E)
F15 key

VK_F16 (7F)
F16 key

VK_F17 (80H)
F17 key

VK_F18 (81H)
F18 key

VK_F19 (82H)
F19 key

VK_F20 (83H)
F20 key

VK_F21 (84H)
F21 key

VK_F22 (85H)
F22 key

VK_F23 (86H)
F23 key

VK_F24 (87H)
F24 key

- (88-8F)
Unassigned

VK_NUMLOCK (90)
NUM LOCK key

VK_SCROLL (91)
SCROLL LOCK key

(92-96)
OEM specific

- (97-9F)
Unassigned

VK_LSHIFT (A0)
Left SHIFT key

VK_RSHIFT (A1)
Right SHIFT key

VK_LCONTROL (A2)
Left CONTROL key

VK_RCONTROL (A3)
Right CONTROL key

VK_LMENU (A4)
Left MENU key

VK_RMENU (A5)
Right MENU key

VK_BROWSER_BACK (A6)
Windows 2000/XP: Browser Back key

VK_BROWSER_FORWARD (A7)
Windows 2000/XP: Browser Forward key

VK_BROWSER_REFRESH (A8)
Windows 2000/XP: Browser Refresh key

VK_BROWSER_STOP (A9)
Windows 2000/XP: Browser Stop key

VK_BROWSER_SEARCH (AA)
Windows 2000/XP: Browser Search key

VK_BROWSER_FAVORITES (AB)
Windows 2000/XP: Browser Favorites key

VK_BROWSER_HOME (AC)
Windows 2000/XP: Browser Start and Home key

VK_VOLUME_MUTE (AD)
Windows 2000/XP: Volume Mute key

VK_VOLUME_DOWN (AE)
Windows 2000/XP: Volume Down key

VK_VOLUME_UP (AF)
Windows 2000/XP: Volume Up key

VK_MEDIA_NEXT_TRACK (B0)
Windows 2000/XP: Next Track key

VK_MEDIA_PREV_TRACK (B1)
Windows 2000/XP: Previous Track key

VK_MEDIA_STOP (B2)
Windows 2000/XP: Stop Media key

VK_MEDIA_PLAY_PAUSE (B3)
Windows 2000/XP: Play/Pause Media key

VK_LAUNCH_MAIL (B4)
Windows 2000/XP: Start Mail key

VK_LAUNCH_MEDIA_SELECT (B5)
Windows 2000/XP: Select Media key

VK_LAUNCH_APP1 (B6)
Windows 2000/XP: Start Application 1 key

VK_LAUNCH_APP2 (B7)
Windows 2000/XP: Start Application 2 key

- (B8-B9)
Reserved

VK_OEM_1 (BA)
Used for miscellaneous characters; it can vary by keyboard.
Windows 2000/XP: For the US standard keyboard, the ’;:’ key


VK_OEM_PLUS (BB)
Windows 2000/XP: For any country/region, the ’+’ key

VK_OEM_COMMA (BC)
Windows 2000/XP: For any country/region, the ’,’ key

VK_OEM_MINUS (BD)
Windows 2000/XP: For any country/region, the ’-’ key

VK_OEM_PERIOD (BE)
Windows 2000/XP: For any country/region, the ’.’ key

VK_OEM_2 (BF)
Used for miscellaneous characters; it can vary by keyboard.
Windows 2000/XP: For the US standard keyboard, the ’/?’ key


VK_OEM_3 (C0)
Used for miscellaneous characters; it can vary by keyboard.
Windows 2000/XP: For the US standard keyboard, the ’`~’ key


- (C1-D7)
Reserved

- (D8-DA)
Unassigned

VK_OEM_4 (DB)
Used for miscellaneous characters; it can vary by keyboard.
Windows 2000/XP: For the US standard keyboard, the ’[{’ key


VK_OEM_5 (DC)
Used for miscellaneous characters; it can vary by keyboard.
Windows 2000/XP: For the US standard keyboard, the ’/|’ key


VK_OEM_6 (DD)
Used for miscellaneous characters; it can vary by keyboard.
Windows 2000/XP: For the US standard keyboard, the ’]}’ key


VK_OEM_7 (DE)
Used for miscellaneous characters; it can vary by keyboard.
Windows 2000/XP: For the US standard keyboard, the ’single-quote/double-quote’ key


VK_OEM_8 (DF)
Used for miscellaneous characters; it can vary by keyboard.

- (E0)
Reserved

(E1)
OEM specific

VK_OEM_102 (E2)
Windows 2000/XP: Either the angle bracket key or the backslash key on the RT 102-key keyboard

(E3-E4)
OEM specific

VK_PROCESSKEY (E5)
Windows 95/98/Me, Windows NT 4.0, Windows 2000/XP: IME PROCESS key

(E6)
OEM specific

VK_PACKET (E7)
Windows 2000/XP: Used to pass Unicode characters as if they were keystrokes. The VK_PACKET key is the low word of a 32-bit Virtual Key value used for non-keyboard input methods. For more information, see Remark in KEYBDINPUT, SendInput, WM_KEYDOWN, and WM_KEYUP

- (E8)
Unassigned

(E9-F5)
OEM specific

VK_ATTN (F6)
Attn key

VK_CRSEL (F7)
CrSel key

VK_EXSEL (F8)
ExSel key

VK_EREOF (F9)
Erase EOF key

VK_PLAY (FA)
Play key

VK_ZOOM (FB)
Zoom key

VK_NONAME (FC)
Reserved for future use

VK_PA1 (FD)
PA1 key

VK_OEM_CLEAR (FE)
Clear key