Searches for the specified
and returns the zero-based index of the first occurrence within the entire collection. BooleanKeyFrame
public int IndexOf(
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
. That is, this method is an O( Count 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 8.1, Windows Server 2012 R2, 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.