public override void Finally()
            {
                MainOrchestration     __svc__  = (MainOrchestration)_service;
                __MainOrchestration_1 __ctx1__ = (__MainOrchestration_1)(__svc__._stateMgrs[1]);

                if (__ctx1__ != null)
                {
                    __ctx1__.__varParm1 = null;
                }
                if (__ctx1__ != null)
                {
                    __ctx1__.__varParm2 = null;
                }
                if (__ctx1__ != null && __ctx1__.__msgInput != null)
                {
                    __ctx1__.UnrefMessage(__ctx1__.__msgInput);
                    __ctx1__.__msgInput = null;
                }
                base.Finally();
            }
        public Microsoft.XLANGs.Core.StopConditions segment1(Microsoft.XLANGs.Core.StopConditions stopOn)
        {
            Microsoft.XLANGs.Core.Envelope __msgEnv__ = null;
            Microsoft.XLANGs.Core.Segment  __seg__    = _segments[1];
            Microsoft.XLANGs.Core.Context  __ctx__    = (Microsoft.XLANGs.Core.Context)_stateMgrs[1];
            __MainOrchestration_root_0     __ctx0__   = (__MainOrchestration_root_0)_stateMgrs[0];
            __MainOrchestration_1          __ctx1__   = (__MainOrchestration_1)_stateMgrs[1];

            switch (__seg__.Progress)
            {
            case 0:
                __ctx1__.__varParm1       = default(System.String);
                __ctx1__.__varParm2       = default(System.String);
                __ctx__.PrologueCompleted = true;
                if (!PostProgressInc(__seg__, __ctx__, 1))
                {
                    return(Microsoft.XLANGs.Core.StopConditions.Paused);
                }
                goto case 1;

            case 1:
                if (!PreProgressInc(__seg__, __ctx__, 2))
                {
                    return(Microsoft.XLANGs.Core.StopConditions.Paused);
                }
                Tracker.FireEvent(__eventLocations[0], __eventData[0], _stateMgrs[1].TrackDataStream);
                if (IsDebugged)
                {
                    return(Microsoft.XLANGs.Core.StopConditions.InBreakpoint);
                }
                goto case 2;

            case 2:
                if (!PreProgressInc(__seg__, __ctx__, 3))
                {
                    return(Microsoft.XLANGs.Core.StopConditions.Paused);
                }
                Tracker.FireEvent(__eventLocations[1], __eventData[1], _stateMgrs[1].TrackDataStream);
                if (IsDebugged)
                {
                    return(Microsoft.XLANGs.Core.StopConditions.InBreakpoint);
                }
                goto case 3;

            case 3:
                if (!ReceivePort.GetMessageId(__ctx0__.__subWrapper0.getSubscription(this), __seg__, __ctx1__, out __msgEnv__))
                {
                    return(Microsoft.XLANGs.Core.StopConditions.Blocked);
                }
                if (__ctx1__.__msgInput != null)
                {
                    __ctx1__.UnrefMessage(__ctx1__.__msgInput);
                }
                __ctx1__.__msgInput = new __messagetype_CallExternalOrchestrationMainSolution_InputSchema("msgInput", __ctx1__);
                __ctx1__.RefMessage(__ctx1__.__msgInput);
                ReceivePort.ReceiveMessage(0, __msgEnv__, __ctx1__.__msgInput, null, (Microsoft.XLANGs.Core.Context)_stateMgrs[1], __seg__);
                if (ReceivePort != null)
                {
                    ReceivePort.Close(__ctx1__, __seg__);
                    ReceivePort = null;
                }
                if (!PostProgressInc(__seg__, __ctx__, 4))
                {
                    return(Microsoft.XLANGs.Core.StopConditions.Paused);
                }
                goto case 4;

            case 4:
                if (!PreProgressInc(__seg__, __ctx__, 5))
                {
                    return(Microsoft.XLANGs.Core.StopConditions.Paused);
                }
                {
                    Microsoft.XLANGs.RuntimeTypes.EventData __edata = new Microsoft.XLANGs.RuntimeTypes.EventData(Microsoft.XLANGs.RuntimeTypes.Operation.End | Microsoft.XLANGs.RuntimeTypes.Operation.Receive);
                    __edata.Messages.Add(__ctx1__.__msgInput);
                    __edata.PortName = @"ReceivePort";
                    Tracker.FireEvent(__eventLocations[2], __edata, _stateMgrs[1].TrackDataStream);
                }
                if (IsDebugged)
                {
                    return(Microsoft.XLANGs.Core.StopConditions.InBreakpoint);
                }
                goto case 5;

            case 5:
                __ctx1__.__varParm1 = "";
                if (!PostProgressInc(__seg__, __ctx__, 6))
                {
                    return(Microsoft.XLANGs.Core.StopConditions.Paused);
                }
                goto case 6;

            case 6:
                __ctx1__.__varParm2 = "";
                if (!PostProgressInc(__seg__, __ctx__, 7))
                {
                    return(Microsoft.XLANGs.Core.StopConditions.Paused);
                }
                goto case 7;

            case 7:
                if (!PreProgressInc(__seg__, __ctx__, 8))
                {
                    return(Microsoft.XLANGs.Core.StopConditions.Paused);
                }
                Tracker.FireEvent(__eventLocations[4], __eventData[2], _stateMgrs[1].TrackDataStream);
                if (IsDebugged)
                {
                    return(Microsoft.XLANGs.Core.StopConditions.InBreakpoint);
                }
                goto case 8;

            case 8:
                __ctx1__.__varParm1 = (System.String)__ctx1__.__msgInput.part.GetDistinguishedField("Param1");
                if (!PostProgressInc(__seg__, __ctx__, 9))
                {
                    return(Microsoft.XLANGs.Core.StopConditions.Paused);
                }
                goto case 9;

            case 9:
                if (!PreProgressInc(__seg__, __ctx__, 10))
                {
                    return(Microsoft.XLANGs.Core.StopConditions.Paused);
                }
                Tracker.FireEvent(__eventLocations[5], __eventData[3], _stateMgrs[1].TrackDataStream);
                if (IsDebugged)
                {
                    return(Microsoft.XLANGs.Core.StopConditions.InBreakpoint);
                }
                goto case 10;

            case 10:
                __ctx1__.__varParm2 = (System.String)__ctx1__.__msgInput.part.GetDistinguishedField("Param2");
                if (__ctx1__ != null)
                {
                    __ctx1__.__varParm2 = null;
                }
                if (__ctx1__ != null && __ctx1__.__msgInput != null)
                {
                    __ctx1__.UnrefMessage(__ctx1__.__msgInput);
                    __ctx1__.__msgInput = null;
                }
                if (!PostProgressInc(__seg__, __ctx__, 11))
                {
                    return(Microsoft.XLANGs.Core.StopConditions.Paused);
                }
                goto case 11;

            case 11:
                if (!PreProgressInc(__seg__, __ctx__, 12))
                {
                    return(Microsoft.XLANGs.Core.StopConditions.Paused);
                }
                Tracker.FireEvent(__eventLocations[6], __eventData[4], _stateMgrs[1].TrackDataStream);
                if (IsDebugged)
                {
                    return(Microsoft.XLANGs.Core.StopConditions.InBreakpoint);
                }
                goto case 12;

            case 12:
            {
                Microsoft.XLANGs.Core.Service svc = new CallExternalOrchestrationCommonSolution.OrchestrationToBeCalled(2, InstanceId, this);
                _stateMgrs[2] = svc;
                __ctx1__.StartCall(__seg__, svc, __eventLocations[6], new object[] { __ctx1__.__varParm1, __ctx1__.__varParm1 });
            }
                if (!PostProgressInc(__seg__, __ctx__, 13))
                {
                    return(Microsoft.XLANGs.Core.StopConditions.Paused);
                }
                return(Microsoft.XLANGs.Core.StopConditions.Blocked);

            case 13:
                if (!PreProgressInc(__seg__, __ctx__, 14))
                {
                    return(Microsoft.XLANGs.Core.StopConditions.Paused);
                }
                {
                    object[] args = ((Microsoft.XLANGs.Core.Service)_stateMgrs[2]).Args;
                }
                if (__ctx1__ != null)
                {
                    __ctx1__.__varParm1 = null;
                }
                Tracker.FireEvent(__eventLocations[7], __eventData[5], _stateMgrs[1].TrackDataStream);
                if (IsDebugged)
                {
                    return(Microsoft.XLANGs.Core.StopConditions.InBreakpoint);
                }
                goto case 14;

            case 14:
                if (!PreProgressInc(__seg__, __ctx__, 15))
                {
                    return(Microsoft.XLANGs.Core.StopConditions.Paused);
                }
                Tracker.FireEvent(__eventLocations[3], __eventData[6], _stateMgrs[1].TrackDataStream);
                if (IsDebugged)
                {
                    return(Microsoft.XLANGs.Core.StopConditions.InBreakpoint);
                }
                goto case 15;

            case 15:
                if (!__ctx1__.CleanupAndPrepareToCommit(__seg__))
                {
                    return(Microsoft.XLANGs.Core.StopConditions.Blocked);
                }
                if (!PostProgressInc(__seg__, __ctx__, 16))
                {
                    return(Microsoft.XLANGs.Core.StopConditions.Paused);
                }
                goto case 16;

            case 16:
                if (!PreProgressInc(__seg__, __ctx__, 17))
                {
                    return(Microsoft.XLANGs.Core.StopConditions.Paused);
                }
                __ctx1__.OnCommit();
                goto case 17;

            case 17:
                __seg__.SegmentDone();
                _segments[0].PredecessorDone(this);
                break;
            }
            return(Microsoft.XLANGs.Core.StopConditions.Completed);
        }