Creates an offset descriptor that specifies the position of an element in relation to the beginning or end of its container.
- macOS 10.0+
- Core Services
A positive integer that specifies the offset from the beginning of the container (the first element has an offset of 1), or a negative integer that specifies the offset from the end (the last element has an offset of –1).
A pointer to a descriptor. On successful return, the offset descriptor created by
Create. On error, returns a null descriptor. Your application must dispose of the descriptor after it has finished using it. See
A result code. See Result Codes.