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Window.OnClosing Method

Raises the Closing event.

Namespace:  System.Windows
Assembly:  PresentationFramework (in PresentationFramework.dll)
abstract OnClosing : 
        e:CancelEventArgs -> unit 
override OnClosing : 
        e:CancelEventArgs -> unit 

Parameters

e
Type: System.ComponentModel.CancelEventArgs
A CancelEventArgs that contains the event data.

OnClosing raises the Closing event.

A type that derives from Window may override OnClosing. The overridden method must call OnClosing on the base class if Closing needs to be raised.

.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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