Subscribe event when new module is loaded

[Adam]

Hello, I have C# Silverlight PRISM application with couple modules. I would like to ask you how to solve this situation: 

1) Module Projects is loaded by default, when user select a project then event is fired in SelectedProject property.

        public ProjectItem SelectedProject
        {   get
            {
                return selectedProject;
            }
            set
            {   if (selectedProject != value)
                {
                    selectedProject = value;
                    OnPropertyChanged(() => SelectedProject);
                    eventAggregator.GetEvent<ProjectSelectedEvent>().Publish(selectedProject);
                }
            }
        }

2) user click a button "Show Tasks for Project" on a Ribbon and application is now loading a module Tasks using RegisterViewWithRegion, in constructor I'm subscribing event.

        public ProjectTasksViewModel(IEventAggregator eventAggregator)
        {
            this.eventAggregator = eventAggregator;
            this.eventAggregator.GetEvent<ProjectSelectedEvent>().Subscribe(ProjectSelectedEventSubscribed);
        }

So when Tasks module is loaded none event is subscribed. Of course if I force publishing this event by selecting a project again this code will work perfectly.

But I need to know how to do this automatically when Task module is loaded it knows what project-related tasks it should display.

[Tina Stancheva]

Hello Adam,

As these questions are mostly related to the PRISM pattern, it would be better to post them in PRISM-related forums - for example in the CodePlex PRISM discussions board.

All the best,
Tina Stancheva
the Telerik team