vk_LButton   = $01;
  vk_RButton   = $02;
  vk_Cancel    = $03;
  vk_MButton   = $04;   { NOT contiguous with L & RBUTTON }
  vk_Back      = $08;
  vk_Tab       = $09;
  vk_Clear     = $0C;
  vk_Return    = $0D;
  vk_Shift     = $10;
  vk_Control   = $11;
  vk_Menu      = $12;
  vk_Pause     = $13;
  vk_Capital   = $14;
  vk_Escape    = $1B;
  vk_Space     = $20;
  vk_Prior     = $21;
  vk_Next      = $22;      vk_End       = $23;
  vk_Home      = $24;
  vk_Left      = $25;
  vk_Up        = $26;
  vk_Right     = $27;
  vk_Down      = $28;
  vk_Select    = $29;
  vk_Print     = $2A;
  vk_Execute   = $2B;
  vk_SnapShot  = $2C;
{ vk_Copy      = $2C not used by keyboards }
  vk_Insert    = $2D;
  vk_Delete    = $2E;
  vk_Help      = $2F;
{ vk_A thru vk_Z are the same as their ASCII equivalents: 'A' thru 'Z' }
{ vk_0 thru vk_9 are the same as their ASCII equivalents: '0' thru '9' }      vk_NumPad0   = $60;
  vk_NumPad1   = $61;
  vk_NumPad2   = $62;
  vk_NumPad3   = $63;
  vk_NumPad4   = $64;
  vk_NumPad5   = $65;
  vk_NumPad6   = $66;
  vk_NumPad7   = $67;
  vk_NumPad8   = $68;
  vk_NumPad9   = $69;
  vk_Multiply  = $6A;
  vk_Add       = $6B;
  vk_Separator = $6C;
  vk_Subtract  = $6D;
  vk_Decimal   = $6E;
  vk_Divide    = $6F;
  vk_F1        = $70;
  vk_F2        = $71;
  vk_F3        = $72;
  vk_F4        = $73;
  vk_F5        = $74;      vk_F6        = $75;
  vk_F7        = $76;
  vk_F8        = $77;
  vk_F9        = $78;
  vk_F10       = $79;
  vk_F11       = $7A;
  vk_F12       = $7B;
  vk_F13       = $7C;
  vk_F14       = $7D;
  vk_F15       = $7E;
  vk_F16       = $7F;
  vk_F17       = $80;
  vk_F18       = $81;
  vk_F19       = $82;
  vk_F20       = $83;
  vk_F21       = $84;
  vk_F22       = $85;
  vk_F23       = $86;
  vk_F24       = $87;
  vk_NumLock   = $90;
  vk_Scroll    = $91;