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how do you set the Numlock key ON?

Posted on 2002-05-15
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Last Modified: 2010-04-04
I want to set the Numlock key ON when running my application.  How do i do this?
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Question by:ttanyag
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7 Comments
 
LVL 9

Accepted Solution

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ITugay earned 400 total points
ID: 7010575
Hi ttanyag,

simulating numlock keydown:

  keybd_event($90, $90, 0, 0);
  keybd_event($90, $90, KEYEVENTF_KEYUP     , 0);


-------
Igor
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LVL 9

Expert Comment

by:ITugay
ID: 7010581
Hi ttanyag,

procedure SetNumLockON;
var
  A: TKeyboardState;
begin
  GetKeyboardState(A);
  // check that NumLock is OFF
  if A[$90] = 0 then
  begin
    keybd_event($90, $90, 0, 0);
    keybd_event($90, $90, KEYEVENTF_KEYUP     , 0);
  end;
end;
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Expert Comment

by:lopem
ID: 7011588
listening...
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LVL 17

Expert Comment

by:inthe
ID: 7012637
or,

on:
keybd_event(VK_NUMLOCK, 0, KEYEVENTF_KEYUP, 0);

off:
keybd_event(VK_NUMLOCK, 0, 0, 0);
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LVL 17

Expert Comment

by:inthe
ID: 7012641
oh foo.. ignore that they should be together and round the other way (well the idea was VK_NUMLOCK :)
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by:Moondancer
ID: 7014464
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ID: 7179021
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