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[C#] Simulating a keypress (without release)?

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cookietr
How do I cheat?

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Joined: 21 Nov 2009
Posts: 1

Posted: Sat Nov 21, 2009 7:46 pm Post subject: [C#] Simulating a keypress (without release)?

Hi, I need to interact with an external application running, and send specific keypresses & releases. I've tried to use the SendKeys class, but it does only half of the job, as the keypress is being sent with an immediate keyrelease to the external applications.

I need to be able to simulate a "key hold down" for the external app. I'm now trying to use the SendMessage thing, but for now it won't work at all Sad

and I don't even get errors.

Here's my code:

Code:

//headers

[DllImport("user32.dll")]
public static extern int SendMessage(IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam);

[DllImport("user32.dll")]
static extern IntPtr GetForegroundWindow();

The actual attempt to press a button:

Code:

IntPtr windowHandle = GetForegroundWindow();

SendMessage(windowHandle, WM_KEYDOWN, (IntPtr)((int)VK.VK_1), (IntPtr)0x20001);

Please advise

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