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BooleanKeyFrameCollection.Contains Method

.NET Framework 4.5

Indicates whether the collection contains the specified BooleanKeyFrame.

Namespace:  System.Windows.Media.Animation
Assembly:  PresentationCore (in PresentationCore.dll)
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public bool Contains(
	BooleanKeyFrame keyFrame
)

Parameters

keyFrame
Type: System.Windows.Media.Animation.BooleanKeyFrame

The key frame to locate in the collection.

Return Value

Type: System.Boolean
true if the collection contains keyFrame; otherwise, false.

This method performs a linear search; therefore, the average execution time is proportional to Count. That is, this method is an O(n) operation, where n is Count.

This method determines equality by calling Object.Equals.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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