/// <summary>
        /// Invokes the method Robot1Multiply.
        /// </summary>
        public async void Robot1Multiply()
        {
            try
            {
                // Call the method, passing the input arguments in a Variant[].
                var response = await UaTcpSessionClient.FromModel(this).CallAsync(new CallRequest
                {
                    MethodsToCall = new[]
                    {
                        new CallMethodRequest
                        {
                            ObjectId       = NodeId.Parse("ns=2;s=Robot1"),
                            MethodId       = NodeId.Parse("ns=2;s=Robot1_Multiply"),
                            InputArguments = new Variant[] { this.InputA, this.InputB }
                        }
                    }
                });

                // When the method returns, save the output argument.
                this.Result = (double)response.Results[0].OutputArguments[0];
            }
            catch (Exception ex)
            {
                Debug.WriteLine("Error calling Robot1Multiply method: {0}", ex);
            }
        }
 /// <summary>
 /// Sets the Robot1Mode to Auto.
 /// </summary>
 public async void Robot1ModeAuto()
 {
     try
     {
         await UaTcpSessionClient.FromModel(this).WriteAsync(new WriteRequest
         {
             NodesToWrite = new[]
             {
                 new WriteValue
                 {
                     NodeId      = NodeId.Parse("ns=2;s=Robot1_Mode"),
                     AttributeId = AttributeIds.Value,
                     IndexRange  = null,
                     Value       = new DataValue((short)HandOffAuto.Auto)
                 }
             }
         });
     }
     catch (Exception ex)
     {
         Debug.WriteLine("Error writing to NodeId {0} : {1}", "ns=2;s=Robot1_Mode", ex);
     }
 }