private void LeaveChannelBlock(AgoraRtmLeaveChannelErrorCode errorCode)
        {
            var success = errorCode == AgoraRtmLeaveChannelErrorCode.Ok;

            if (success)
            {
                Console.WriteLine($"RTM leave channel successsful");
            }
            else
            {
                Console.WriteLine($"RTM leave channel error: {errorCode}");
            }
        }
 private void LeaveChannelBlock(AgoraRtmLeaveChannelErrorCode errorCode)
 {
     Console.WriteLine($"leave channel error: {errorCode}");
 }