{ Virtual Keys, Standard Set } 
  VK_LBUTTON = 1; 
  VK_RBUTTON = 2; 
  VK_CANCEL = 3; 
  VK_MBUTTON = 4; { NOT contiguous with L & RBUTTON } 
  VK_BACK = 8; 
  VK_TAB = 9; 
  VK_CLEAR = 12; 
  VK_RETURN = 13; 
  VK_SHIFT = $10; 
  VK_CONTROL = 17; 
  VK_MENU = 18; 
  VK_PAUSE = 19; 
  VK_CAPITAL = 20; 
  VK_KANA = 21; 
  VK_HANGUL = 21; 
  VK_JUNJA = 23; 
  VK_FINAL = 24; 
  VK_HANJA = 25; 
  VK_KANJI = 25; 
  VK_CONVERT = 28; 
  VK_NONCONVERT = 29; 
  VK_ACCEPT = 30; 
  VK_MODECHANGE = 31; 
  VK_ESCAPE = 27; 
  VK_SPACE = $20; 
  VK_PRIOR = 33; 
  VK_NEXT = 34; 
  VK_END = 35; 
  VK_HOME = 36; 
  VK_LEFT = 37; 
  VK_UP = 38; 
  VK_RIGHT = 39; 
  VK_DOWN = 40; 
  VK_SELECT = 41; 
  VK_PRINT = 42; 
  VK_EXECUTE = 43; 
  VK_SNAPSHOT = 44; 
  VK_INSERT = 45; 
  VK_DELETE = 46; 
  VK_HELP = 47; 
  { VK_0 thru VK_9 are the same as ASCII '0' thru '9' ($30 - $39) } 
  { VK_A thru VK_Z are the same as ASCII 'A' thru 'Z' ($41 - $5A) } 
  VK_LWIN = 91; 
  VK_RWIN = 92; 
  VK_APPS = 93; 
  VK_NUMPAD0 = 96; 
  VK_NUMPAD1 = 97; 
  VK_NUMPAD2 = 98; 
  VK_NUMPAD3 = 99; 
  VK_NUMPAD4 = 100; 
  VK_NUMPAD5 = 101; 
  VK_NUMPAD6 = 102; 
  VK_NUMPAD7 = 103; 
  VK_NUMPAD8 = 104; 
  VK_NUMPAD9 = 105; 
  VK_MULTIPLY = 106; 
  VK_ADD = 107; 
  VK_SEPARATOR = 108; 
  VK_SUBTRACT = 109; 
  VK_DECIMAL = 110; 
  VK_DIVIDE = 111; 
  VK_F1 = 112; 
  VK_F2 = 113; 
  VK_F3 = 114; 
  VK_F4 = 115; 
  VK_F5 = 116; 
  VK_F6 = 117; 
  VK_F7 = 118; 
  VK_F8 = 119; 
  VK_F9 = 120; 
  VK_F10 = 121; 
  VK_F11 = 122; 
  VK_F12 = 123; 
  VK_F13 = 124; 
  VK_F14 = 125; 
  VK_F15 = 126; 
  VK_F16 = 127; 
  VK_F17 = 128; 
  VK_F18 = 129; 
  VK_F19 = 130; 
  VK_F20 = 131; 
  VK_F21 = 132; 
  VK_F22 = 133; 
  VK_F23 = 134; 
  VK_F24 = 135; 
  VK_NUMLOCK = 144; 
  VK_SCROLL = 145; 
  { VK_L & VK_R - left and right Alt, Ctrl and Shift virtual keys. 
  Used only as parameters to GetAsyncKeyState() and GetKeyState(). 
  No other API or message will distinguish left and right keys in this way. } 
  VK_LSHIFT = 160; 
  VK_RSHIFT = 161; 
  VK_LCONTROL = 162; 
  VK_RCONTROL = 163; 
  VK_LMENU = 164; 
  VK_RMENU = 165; 
  VK_PROCESSKEY = 229; 
  VK_ATTN = 246; 
  VK_CRSEL = 247; 
  VK_EXSEL = 248; 
  VK_EREOF = 249; 
  VK_PLAY = 250; 
  VK_ZOOM = 251; 
  VK_NONAME = 252; 
  VK_PA1 = 253; 
  VK_OEM_CLEAR = 254; 
   
  ////////////////////////////////////////////////////////////// 
  VK_LBUTTON        Left mouse button 
  VK_RBUTTON        Right mouse button 
  VK_CANCEL        Control+Break 
  VK_MBUTTON        Middle mouse button 
  VK_BACK                Backspace key 
  VK_TAB                Tab key 
  VK_CLEAR                Clear key 
  VK_RETURN        Enter key 
  VK_SHIFT                Shift key 
  VK_CONTROL        Ctrl key 
  VK_MENU                Alt key 
  VK_PAUSE                Pause key 
  VK_CAPITAL        Caps Lock key 
  VK_KANA                Used with IME 
  VK_HANGUL        Used with IME 
  VK_JUNJA                Used with IME 
  VK_FINAL                Used with IME 
  VK_HANJA                Used with IME 
  VK_KANJI                Used with IME 
  VK_CONVERT        Used with IME 
  VK_NONCONVERT        Used with IME 
  VK_ACCEPT                Used with IME 
  VK_MODECHANGE        Used with IME 
  VK_ESCAPE        Esc key 
  VK_SPACE        Space bar 
  VK_PRIOR        Page Up key 
  VK_NEXT        Page Down key 
  VK_END        End key 
  VK_HOME        Home key 
  VK_LEFT        Left Arrow key 
  VK_UP        Up Arrow key 
  VK_RIGHT        Right Arrow key 
  VK_DOWN        Down Arrow key 
  VK_SELECT        Select key 
  VK_PRINT        Print key (keyboard-specific) 
  VK_EXECUTE        Execute key 
  VK_SNAPSHOT        Print Screen key 
  VK_INSERT        Insert key 
  VK_DELETE        Delete key 
  VK_HELP        Help key 
   
  VK_LWIN        Left Windows key (Microsoft keyboard) 
  VK_RWIN        Right Windows key (Microsoft keyboard) 
  VK_APPS        Applications key (Microsoft keyboard) 
  VK_NUMPAD0        0 key (numeric keypad) 
  VK_NUMPAD1        1 key (numeric keypad) 
  VK_NUMPAD2        2 key (numeric keypad) 
  VK_NUMPAD3        3 key (numeric keypad) 
  VK_NUMPAD4        4 key (numeric keypad) 
  VK_NUMPAD5        5 key (numeric keypad) 
  VK_NUMPAD6        6 key (numeric keypad) 
  VK_NUMPAD7        7 key (numeric keypad) 
  VK_NUMPAD8        8 key (numeric keypad) 
  VK_NUMPAD9        9 key (numeric keypad) 
   
  VK_MULTIPLY        Multiply key (numeric keypad) 
  VK_ADD                Add key (numeric keypad) 
  VK_SEPARATOR        Separator key (numeric keypad) 
  VK_SUBTRACT        Subtract key (numeric keypad) 
  VK_DECIMAL        Decimal key (numeric keypad) 
  VK_DIVIDE                Divide key (numeric keypad) 
  VK_F1        F1 key 
  VK_F2        F2 key 
  VK_F3        F3 key 
  VK_F4        F4 key 
  VK_F5        F5 key 
  VK_F6        F6 key 
  VK_F7        F7 key 
  VK_F8        F8 key 
  VK_F9        F9 key 
  VK_F10        F10 key 
  VK_F11        F11 key 
  VK_F12        F12 key 
  VK_F13        F13 key 
  VK_F14        F14 key 
  VK_F15        F15 key 
  VK_F16        F16 key 
  VK_F17        F17 key 
  VK_F18        F18 key 
  VK_F19        F19 key 
  VK_F20        F20 key 
  VK_F21        F21 key 
  VK_F22        F22 key 
  VK_F23        F23 key 
  VK_F24        F24 key 
  VK_NUMLOCK        Num Lock key 
  VK_SCROLL        Scroll Lock key 
  VK_LSHIFT        Left Shift key (only used with GetAsyncKeyState and GetKeyState) 
  VK_RSHIFT        Right Shift key  (only used with GetAsyncKeyState and GetKeyState) 
  VK_LCONTROL        Left Ctrl key  (only used with GetAsyncKeyState and GetKeyState) 
  VK_RCONTROL        Right Ctrl key  (only used with GetAsyncKeyState and GetKeyState) 
  VK_LMENU        Left Alt key  (only used with GetAsyncKeyState and GetKeyState) 
  VK_RMENU        Right Alt key  (only used with GetAsyncKeyState and GetKeyState) 
  VK_PROCESSKEY        Process key 
  VK_ATTN        Attn key 
  VK_CRSEL        CrSel key 
  VK_EXSEL        ExSel key 
  VK_EREOF        Erase EOF key 
  VK_PLAY        Play key 
  VK_ZOOM        Zoom key 
  VK_NONAME        Reserved for future use 
  VK_PA1        PA1 key 
  VK_OEM_CLEAR        Clear key