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setforegroundwindow (coredll)
 

coredll is for smart devices, not desktop Windows. Therefore, this information only applies to code using the .NET Compact Framework. To see if information for setforegroundwindow in other DLLs exists, click on Find References to the right.

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Summary
SetForegroundWindow() - Moves the window associated with the passed handle to the front.

C# Signature:

//NOTE: For Win32 Applications you can use [DllImport("User32.dll")] for this functionality. Coredll.dll is for the .NET Compact Framework.

[DllImport("coredll.dll")]
private static extern bool SetForegroundWindow (IntPtr hWnd);

VB.NET Signature:

<DllImport("coredll.dll")> _

Private Shared Function SetForegroundWindow(ByVal hWnd As IntPtr) As Boolean

End Function

VB Signature:

Private Declare Function SetForegroundWindow Lib "coredll" (hWnd as IntPtr) As Boolean

User-Defined Types:

None.

Alternative Unmanaged API:

http://www.pinvoke.net/default.aspx/user32/SetForegroundWindow.html

Alternative Managed API:

Do you know one? Please contribute it!

Notes:

None.

Tips & Tricks:

Note this tip from the Microsoft documentation:

If the window being set to the foreground is minimized, the window may not be visible to the end user. This function also does not reactivate the last active child window by default. To ensure that the window is restored and the last active child window is reactivated, combine the handle to the window with 0x01 using the logical OR operator

E.g. SetForegroundWindow((HWND)(((ULONG) hwnd) | 0x01) );

Sample Code:

[DllImport ("coredll.dll")]

private static extern bool SetForegroundWindow (IntPtr hWnd);

[DllImport ("coredll.dll")]

private static extern IntPtr GetDesktopWindow ();

private void SendToBack ()
{
    SetForegroundWindow (GetDesktopWindow ());
}

Documentation

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