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Simulate a keystroke in windows

, 22 Feb 2011
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This tip shows how to simulate a key stroke in windows environment
void SetNumLock( BOOL bState )
   BYTE keyState[256];
   if( (bState && !(keyState[VK_NUMLOCK] & 1)) ||
       (!bState && (keyState[VK_NUMLOCK] & 1)) )
   // Simulate a key press
      keybd_event( VK_NUMLOCK,
                   KEYEVENTF_EXTENDEDKEY | 0,
                   0 );
   // Simulate a key release
      keybd_event( VK_NUMLOCK,
void main()
   SetNumLock( TRUE );
Reference MSDN (Thanx to Victor Nijegorodov)


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

Mukit, Ataul
Chief Technology Officer Rational Technologies
Bangladesh Bangladesh
You don't learn patterns, you just code it.
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Comments and Discussions

GeneralRe: Extend it to what.. a full article? PinmemberMukit, Ataul23-Aug-11 21:16 
GeneralRe: I say it because you I think you must extend it before publi... PinmemberCaner Korkmaz23-Aug-11 4:40 
GeneralReason for my vote of 1 I agree with the others, copying a c... PinprotectorAspDotNetDev1-Sep-11 7:58 
GeneralReason for my vote of 1 It is copy and paste !!! PinmemberCaner Korkmaz23-Aug-11 2:10 
GeneralRe: Just becoz u knew it b4hand, doesn't mean everybody knows it... PinmemberMukit, Ataul23-Aug-11 4:18 
Just becoz u knew it b4hand, doesn't mean everybody knows it.. there r lot of ppl who searches in code project for solutions, u should keep it in your mind!!

GeneralRe: I agree, all the OP has done is copy some code from somewher... PinprotectorAspDotNetDev1-Sep-11 7:54 
GeneralReason for my vote of 1 nothing new Pinmemberbomihsc24-Mar-11 13:47 
GeneralRe: nothing new to u.. so i guess u r entitled to give a 1... PinmemberMukit, Ataul26-Mar-11 18:57 
GeneralReason for my vote of 3 good PinmemberDiogny Aguilera22-Feb-11 7:06 
GeneralReason for my vote of 5 Good reference. If I used this, I wo... Pinmemberjonathanbeyre22-Feb-11 4:10 

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