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Window.Activate Method

Attempts to bring the window to the foreground and activates it.

Namespace:  System.Windows
Assembly:  PresentationFramework (in PresentationFramework.dll)

public bool Activate()

Return Value

Type: System.Boolean
true if the Window was successfully activated; otherwise, false.

The rules that determine whether the window is activated are the same as those used by the Win32 SetForegroundWindow function (User32.dll).

If the window is activated in a Windows Presentation Foundation (WPF) application that is not the user's foreground application, Activated event is raised.

NoteNote

This method cannot be called when a window is hosted in a browser.

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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