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How to turn the CapsLock on and off Turn on/off line numbers in source code. Switch to Orginial background IDE or DSP color Comment or reply to this aritlce/tip for discussion. Bookmark this article to my favorite article(s). Print this article
01-Oct-02
Category
Win API
Language
Delphi 2.x
Views
87
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Publisher:
DSP, Administrator
Reference URL:
DKB
			Author: Jonas Bilinkevicius 

How to turn the CapsLock on and off

Answer:

procedure SetLockKey(vcode: Integer; down: Boolean);
begin
  if Odd(GetAsyncKeyState(vcode)) <> down then
  begin
    keybd_event(vcode, MapVirtualkey(vcode, 0), KEYEVENTF_EXTENDEDKEY, 0);
    keybd_event(vcode, MapVirtualkey(vcode, 0), KEYEVENTF_EXTENDEDKEY
      or KEYEVENTF_KEYUP, 0);
  end;
end;

Call by:

SetLockKey(VK_CAPITAL, True); {caps lock down}

			
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