BooleanKeyFrameCollection.Contains(BooleanKeyFrame) Method

Reference

Definition

Namespace:: System.Windows.Media.Animation

Assembly:: PresentationCore.dll

Important

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Indicates whether the collection contains the specified BooleanKeyFrame.

public:
 bool Contains(System::Windows::Media::Animation::BooleanKeyFrame ^ keyFrame);

public bool Contains(System.Windows.Media.Animation.BooleanKeyFrame keyFrame);

member this.Contains : System.Windows.Media.Animation.BooleanKeyFrame -> bool

Public Function Contains (keyFrame As BooleanKeyFrame) As Boolean

Parameters

keyFrame: BooleanKeyFrame

The key frame to locate in the collection.

Returns

Boolean

true if the collection contains keyFrame; otherwise, false.

Remarks

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.

Applies to

Product	Versions
.NET Framework	3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
Windows Desktop	3.0, 3.1, 5, 6, 7, 8, 9, 10

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