Returns the number of cells managed by the container.
Reserved for future use. Pass 0.
|>= 0||The number of cells managed by the container.|
|< 0||An error occurred. Refer to Return Codes.|
Please note that the maximum number of rows that a container can have is 4 and the maximum number of columns is 8. However, the number of cells that can be added to a container is limited only by the available memory.
For an example, refer to LImageViewer::GetCellPosition.