EnqueueReadBufferRect

public ErrorCode EnqueueReadBufferRect (CommandQueue command_queue, Mem buffer, bool blocking_read, size_t* buffer_origin, size_t* host_origin, size_t* region, size_t buffer_row_pitch, size_t buffer_slice_pitch, size_t host_row_pitch, size_t host_slice_pitch, void* ptr, uint num_events_in_wait_list, Event* event_wait_list, out Event event)