Frame Collection. IList. Add(Object) 메서드
virtual int System.Collections.IList.Add(System::Object ^ keyFrame) = System::Collections::IList::Add;
int IList.Add (object keyFrame);
Function Add (keyFrame As Object) As Integer Implements IList.Add
새 요소가 삽입된 위치 또는 -1(항목이 컬렉션에 삽입되지 않았음을 나타냄)입니다.The position into which the new element was inserted, or -1 to indicate that the item was not inserted into the collection.