protected virtual void OnDeactivated(
You cannot use methods in XAML.
OnDeactivated raises the Deactivated event.
A type that derives from Application may override OnDeactivated. The overridden method must call OnDeactivated in the base class if Deactivated needs to be raised.
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
Supported in: 3.5, 3.0
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