System.Activities.Statements.InternalState.UpdateInstance C# (CSharp) Метод

        protected override void UpdateInstance(NativeActivityUpdateContext updateContext)
        {
            StateMachineEventManager eventManager = updateContext.GetValue(this.EventManager) as StateMachineEventManager;
            Fx.Assert(eventManager != null, "eventManager is available in every internalActivity.");

            if (eventManager.CurrentBeingProcessedEvent != null || eventManager.Queue.Any())
            {
                // Updated state is evaluating conditions or transitioning to another state,
                // Then we need to update the index of the current evaluated trigger (in case the trigger is moved)
                // and the condition index.
                // if the state is transitioning already, then we should update destination state id.
                bool isUpdateSuccessful = this.UpdateEventManager(updateContext, eventManager);

                if (!isUpdateSuccessful)
                {
                    updateContext.DisallowUpdate(SR.DUTriggerOrConditionChangedDuringTransitioning);
                    return;
                }

                if (updateContext.GetValue(this.isExiting) != true)
                {
                    this.RescheduleNewlyAddedTriggers(updateContext);
                }
            }
            else if (updateContext.GetValue(this.currentRunningTriggers) > 0)
            {
                Fx.Assert(updateContext.GetValue(this.isExiting) != true, "No triggers have completed, state should not be transitioning.");
                
                // the state is not transitioning yet and is persisted at trigger.
                this.RescheduleNewlyAddedTriggers(updateContext);
            }
        }