NB. vkey definitions

VK_LBUTTON=:1
VK_RBUTTON=:2
VK_CANCEL=:3
VK_MBUTTON=:4
VK_BACK=:8
VK_TAB=:9
VK_CLEAR=:12
VK_RETURN=:13
VK_SHIFT=:16
VK_CONTROL=:17
VK_MENU=:18
VK_PAUSE=:19
VK_CAPITAL=:20
VK_ESCAPE=:27
VK_SPACE=:32
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
NB. VK_0 to VK_9 are 48 through 57
NB. VK_A to VK_Z are 'A' to 'Z'
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_LSHIFT=:160
VK_RSHIFT=:161
VK_LCONTROL=:162
VK_RCONTROL=:163
VK_LMENU=:164
VK_RMENU=:165
