VisualCollection.Contains Method (Visual)


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

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

member Contains : 
        visual:Visual -> bool


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.

.NET Framework
Available since 3.0
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