Nov 23, 2009

Keyboard Simulation - Low-level / Pascal / Delphi / Keyboard input simulation

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Keyboard Simulation - Low-level / Pascal / Delphi / Keyboard input simulation

KDEWolf
Aug 14 2006, 07:16 AM
I'm trying to simulate a key press in an external program (actually a game).
Using the keybd_event does work for regular Windows programs (like Notepad, for example), but not for the game. I suppose this happens because it uses DirectX libraries, and also this simulation provided by keybd_event isn't, let's say, low-level enough. Would someone be able to help me on this?
I'm using currently Delphi (Pascal), but if needed I suppose I can manage to apply some assembly code or something. Thanks in advance.

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Chesso
Sep 27 2006, 12:01 PM
Looks like I missed this one....

I have done this for Age Of Empires 2, to automatically enter cheats very fast to get resources up alot quicker (for my younger brother) in Delphi 7.

Not sure why you are having problems with keybd_event, but don't forget about SendMessage and PostMessage API's.

Which is most likely how I managed to get it done. Unfortunately the old Age Of Empires 2 project is long gone with an old crash of my older pc which I lost alot of good old Delphi projects (should have backed em up eh).

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yordan
Sep 27 2006, 01:20 PM
huh ? did you really post here in order to explain that you had the solution of the problem and you don't have it any more so no more need for posting an answer ? biggrin.gif

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Chesso
Sep 27 2006, 01:25 PM
Not at all, I provided two alternatives to sending key presses which are the SendMessage and PostMessage API's.

They are both fairly much the same except that SendMessage will wait until it's done where as PostMessage will just send it and come back not worrying about whether it got to it's location or not.

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tansqrx
Jul 20 2009, 10:18 PM
I believe you are actually looking for the SendKeys API call (http://msdn.microsoft.com/en-us/library/system.windows.forms.sendkeys.send.aspx). I work with Visual Basic.NET all the time and this works for me. Some additional Delphi samples can be found below.

http://www.delphi3000.com/articles/article_288.asp?SK=
http://www.festra.com/wwwboard/messages/6475.html
http://www.vbaccelerator.com/home/vb/Tips/...API/article.asp

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