public static extern void cdo_stop_measuring_stats(cdo_void_rclbck_t rclbck, CDOH handle, IntPtr opaque, ref CDOString scopeId);
public static extern void cdo_unpublish(cdo_void_rclbck_t rclbck, CDOH handle, IntPtr opaque, ref CDOString scopeId, ref CDOString what);
public static extern void cdo_set_audio_output_device( cdo_void_rclbck_t rclbck, CDOH handle, IntPtr opaque, ref CDOString device_id);
public static extern void cdo_set_video_capture_device( cdo_void_rclbck_t rclbck, CDOH handle, IntPtr opaque, ref CDOString device_id);
public static extern void cdo_send_message(cdo_void_rclbck_t rclbck, CDOH handle, IntPtr opaque, ref CDOString scopeId, [MarshalAs(UnmanagedType.LPStr)]string msgBody, UIntPtr msgSize, ref Int64 recipientId);
public static extern void cdo_send_echo_notification( cdo_void_rclbck_t resultHandler, CDOH handle, IntPtr opaque, ref CDOString content);
public static extern void cdo_publish(cdo_void_rclbck_t rclbck, CDOH handle, IntPtr opaque, ref CDOString scopeId, ref CDOString what, ref CDOMediaPublishOptions options);
public static extern void cdo_disconnect(cdo_void_rclbck_t rclbck, CDOH handle, IntPtr opaque, ref CDOString scopeId);
public static extern void cdo_connect_string(cdo_void_rclbck_t rclbck, CDOH handle, IntPtr opaque, ref CDOString connDescr);