DoubleKeyFrameCollection.IndexOf(DoubleKeyFrame) 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 DoubleKeyFrame and returns the zero-based index of the first occurrence within the entire collection.

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

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

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

Public Function IndexOf (keyFrame As DoubleKeyFrame) As Integer

Parameters

keyFrame: DoubleKeyFrame

The DoubleKeyFrame 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 the value of Count. That is, this method is an O(n) operation, where n is equal to Count.

This method determines equality by calling Object.Equals.

Applies to

แชร์ผ่าน