RectKeyFrameCollection.IndexOf(RectKeyFrame) Method

Reference

Definition

Namespace:: System.Windows.Media.Animation

Assembly:: PresentationCore.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Searches for the specified RectKeyFrame and returns the zero-based index of the first occurrence within the entire collection.

public:
 int IndexOf(System::Windows::Media::Animation::RectKeyFrame ^ keyFrame);

public int IndexOf (System.Windows.Media.Animation.RectKeyFrame keyFrame);

member this.IndexOf : System.Windows.Media.Animation.RectKeyFrame -> int

Public Function IndexOf (keyFrame As RectKeyFrame) As Integer

Parameters

keyFrame: RectKeyFrame

The RectKeyFrame to locate in the collection.

Returns

Int32

The zero-based index of the first occurrence of keyFrame within the entire collection, if found; otherwise, -1.

Remarks

The collection is searched forward starting at the first key frame and ending at the last key frame.

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

แชร์ผ่าน