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Visual Basic 6 definition

Declare Function SetForegroundWindow Lib "user32.dll" (ByVal hwnd As Long) As Long

Visual Basic .NET definition

Declare Function SetForegroundWindow Lib "user32" (ByVal hwnd As Integer) As Integer

C# definition

[DllImport("user32")] public static extern int SetForegroundWindow(int hwnd)

Description

Platforms: Win 95/98, Win NT SetForegroundWindow makes the specified window the current foreground window and gives it the focus. This function should only be used with windows which your program owns. Of course this function should be used with caution, since the user usually doesn't expect the foreground window to change unexpectedly. The function tells Windows to somehow draw the user's attention to the window, such as by flashing its icon in the taskbar. The function returns 1 if successful, or 0 if an error occured. SetForegroundWindow Puts the thread that created the specified window into the foreground and activates the window. System.Windows.Forms.Form.Activate

Parameters

hwnd A handle to the window to set as the foreground window.

Further Information:

For further information on Windows API functions such as these, and how to use these API's in your C# and VB.NET applications, please refer to the book 'Network programming in .NET' (Buy at Amazon UK) (Buy at Amazon US)

Visual Basic 6 example source code
' Make the window Form1 the current foreground window. The operating ' system will somehow draw the user to the window. Dim retval As Long ' return value retval = SetForegroundWindow(Form1.hWnd) ' set Form1 as the foreground window
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