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VisualCollection.Contains Method

Returns a Boolean value that indicates whether the specified Visual is contained in the collection.

Namespace:  System.Windows.Media
Assembly:  PresentationCore (in PresentationCore.dll)

public bool Contains(
	Visual visual
You cannot use methods in XAML.


Type: System.Windows.Media.Visual

The Visual to search for in the collection.

Return Value

Type: System.Boolean
true if visual is contained in the collection; otherwise, false.

The worst-case runtime scenario of this function is O(n), where n is the number of items in the VisualCollection.

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