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POHow to bring a window foreground using c#?
 

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  1. POHow to bring a window foreground using c#?
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    <p>I am trying to bring a window foreground. I am using this code. But its not working. Could someone please help?</p> <pre><code>ShowWindowAsync(wnd.hWnd, SW_SHOW); SetForegroundWindow(wnd.hWnd); // Code from Karl E. Peterson, www.mvps.org/vb/sample.htm // Converted to Delphi by Ray Lischner // Published in The Delphi Magazine 55, page 16 // Converted to C# by Kevin Gale IntPtr foregroundWindow = GetForegroundWindow(); IntPtr Dummy = IntPtr.Zero; uint foregroundThreadId = GetWindowThreadProcessId(foregroundWindow, Dummy); uint thisThreadId = GetWindowThreadProcessId(wnd.hWnd, Dummy); if (AttachThreadInput(thisThreadId, foregroundThreadId, true)) { BringWindowToTop(wnd.hWnd); // IE 5.5 related hack SetForegroundWindow(wnd.hWnd); AttachThreadInput(thisThreadId, foregroundThreadId, false); } if (GetForegroundWindow() != wnd.hWnd) { // Code by Daniel P. Stasinski // Converted to C# by Kevin Gale IntPtr Timeout = IntPtr.Zero; SystemParametersInfo(SPI_GETFOREGROUNDLOCKTIMEOUT, 0, Timeout, 0); SystemParametersInfo(SPI_SETFOREGROUNDLOCKTIMEOUT, 0, Dummy, SPIF_SENDCHANGE); BringWindowToTop(wnd.hWnd); // IE 5.5 related hack SetForegroundWindow(wnd.hWnd); SystemParametersInfo(SPI_SETFOREGROUNDLOCKTIMEOUT, 0, Timeout, SPIF_SENDCHANGE); } </code></pre> <p>Code Explained</p> <blockquote> <p>Making a window the foreground window requires more than just calling the SetForegroundWindow API. You must first determine the foreground thread and attach it to your window, using AttachThreadInput, then call SetForegroundWindow. That way they can share input states.</p> <p>First I call GetForegroundWindow to get the handle of the current foreground window. Then a few calls to GetWindowThreadProcessId retrieve the threads associated with the current foreground window and the window I want to bring to the foreground. If these threads are the same a simple call to SetForegroundWindow is all that is necessary. Otherwise, the foreground thread is attached to the window that I am bringing to the front and detached from what was the current foreground window. The AttachThreadInput API handles this.</p> </blockquote> <p>Content Taken from <a href="http://www.thescarms.com/vbasic/alttab.aspx" rel="noreferrer">here</a> Thanks.</p>
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      1. POHow to bring a window foreground using c#?
      1. USAnton Semenov
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    1. COEvil code, voting to close.
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      1. USHans Passant
    2. COI cant understand code too. But I think topic wouldnt be closed. Im waiting for possible solutions
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      1. USAnton Semenov
    3. CO@Nikil, mayb just keep the title and remove (forget) that code?
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      1. USHenk Holterman
 

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