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Window.IsActive Property

Gets a value that indicates whether the window is active. This is a dependency property.

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

public bool IsActive { get; }
You cannot set this property in XAML.

Property Value

Type: System.Boolean
true if the window is active; otherwise, false. The default is false.

Identifier field

IsActiveProperty

Metadata properties set to true

None

An active window is the user's current foreground window and has the focus, which is signified by the active appearance of the title bar. An active window will also be the top-most of all top-level windows that don't explicitly set the Topmost property.

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.

.NET Framework

Supported in: 3.5, 3.0

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