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Window.IsActive Property

Gets a value that indicates whether the window is active.

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

public bool IsActive { get; }

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.

.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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