程序里要控制CapLock, NumLock灯亮

Question

var keys: TKeyboardState;begin{1 = on, 0 = off}GetKeyboardState( keys );keys[VK_NUMLOCK] := 1; {Num Lock}keys[VK_CAPITAL] := 1; {Caps Lock}keys[VK_SCROLL] := 1; {Scroll Lock}SetKeyboardState( keys );

Answer 1

给个函数，你要的键都有Function SendKeys(SendKeysString : PChar; Wait : Boolean) : Boolean;
type
  WBytes = array[0..pred(SizeOf(Word))] of Byte;  TSendKey = record
    Name : ShortString;
    VKey : Byte;
  end;const
  {Array of keys that SendKeys recognizes.  If you add to this list, you must be sure to keep it sorted alphabetically
  by Name because a binary search routine is used to scan it.}  MaxSendKeyRecs = 41;
  SendKeyRecs : array[1..MaxSendKeyRecs] of TSendKey =
  (
   (Name:'BKSP';            VKey:VK_BACK),
   (Name:'BS';              VKey:VK_BACK),
   (Name:'BACKSPACE';       VKey:VK_BACK),
   (Name:'BREAK';           VKey:VK_CANCEL),
   (Name:'CAPSLOCK';        VKey:VK_CAPITAL),
   (Name:'CLEAR';           VKey:VK_CLEAR),
   (Name:'DEL';             VKey:VK_DELETE),
   (Name:'DELETE';          VKey:VK_DELETE),
   (Name:'DOWN';            VKey:VK_DOWN),
   (Name:'END';             VKey:VK_END),
   (Name:'ENTER';           VKey:VK_RETURN),
   (Name:'ESC';             VKey:VK_ESCAPE),
   (Name:'ESCAPE';          VKey:VK_ESCAPE),
   (Name:'F1';              VKey:VK_F1),
   (Name:'F10';             VKey:VK_F10),
   (Name:'F11';             VKey:VK_F11),
   (Name:'F12';             VKey:VK_F12),
   (Name:'F13';             VKey:VK_F13),
   (Name:'F14';             VKey:VK_F14),
   (Name:'F15';             VKey:VK_F15),
   (Name:'F16';             VKey:VK_F16),
   (Name:'F2';              VKey:VK_F2),
   (Name:'F3';              VKey:VK_F3),
   (Name:'F4';              VKey:VK_F4),
   (Name:'F5';              VKey:VK_F5),
   (Name:'F6';              VKey:VK_F6),
   (Name:'F7';              VKey:VK_F7),
   (Name:'F8';              VKey:VK_F8),
   (Name:'F9';              VKey:VK_F9),
   (Name:'HELP';            VKey:VK_HELP),
   (Name:'HOME';            VKey:VK_HOME),
   (Name:'INS';             VKey:VK_INSERT),
   (Name:'LEFT';            VKey:VK_LEFT),
   (Name:'NUMLOCK';         VKey:VK_NUMLOCK),
   (Name:'PGDN';            VKey:VK_NEXT),
   (Name:'PGUP';            VKey:VK_PRIOR),
   (Name:'PRTSC';           VKey:VK_PRINT),
   (Name:'RIGHT';           VKey:VK_RIGHT),
   (Name:'SCROLLLOCK';      VKey:VK_SCROLL),
   (Name:'TAB';             VKey:VK_TAB),
   (Name:'UP';              VKey:VK_UP)
  );  {Extra VK constants missing from Delphi's Windows API interface}
  VK_NULL=0;
  VK_SemiColon=186;
  VK_Equal=187;
  VK_Comma=188;
  VK_Minus=189;
  VK_Period=190;
  VK_Slash=191;
  VK_BackQuote=192;
  VK_LeftBracket=219;
  VK_BackSlash=220;
  VK_RightBracket=221;
  VK_Quote=222;
  VK_Last=VK_Quote;  

Answer 2

johnsonrao(johnson) ,又是你呀，这段程序没贴完吧？