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GetActiveWindow

The GetActiveWindow function retrieves the window handle to the active window associated with the thread that calls the function.

VB4-32,5,6
Declare Function GetActiveWindow Lib "user32" Alias "GetActiveWindow" () As Long

VB.NET
System.Windows.Forms.Form.ActiveForm

Operating Systems Supported
Requires Windows NT 3.1 or later; Requires Windows 95 or later

Library
User32

Return Values
If the function succeeds, the return value is the handle to the active window associated with the thread that calls the function. If the calling thread does not have an active window, the return value is NULL.

Last update: 07 April 2006