Rotation3DKeyFrameCollection::IndexOf Method (Rotation3DKeyFrame^)

 

Searches for the specified Rotation3DKeyFrame and returns the zero-based index of the first occurrence within the entire collection.

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

public:
int IndexOf(
	Rotation3DKeyFrame^ keyFrame
)

Parameters

keyFrame
Type: System.Windows.Media.Animation::Rotation3DKeyFrame^

The Rotation3DKeyFrame to locate in the collection.

Return Value

Type: System::Int32

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

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.

.NET Framework
Available since 3.0
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