/// <summary>
/// Initializes ViewModel after navigated.
/// </summary>
/// <param name="message"></param>
public void Handle(Navigation.EventMessages.NavigatedEventMessage message)
{
//WE ARE LISTENING FOR A MESSAGE THAT SAYS WE WERE SUCCESSFULLY NAVIGATED TO.
//SO WE ONLY CARE ABOUT IT IF WE ARE THE TARGETPAGE CONTENT VIEWMODEL
if (message.NavigationInfo.TargetPage.ContentViewModel != this)
{
return;
}
//WE HAVE BEEN SUCCESSFULLY NAVIGATED TO.
var targetId = Guid.NewGuid();
History.Events.ThinkingAboutTargetEvent.Publish(targetId);
DisableNavigationRequestedEventMessage.Publish();
try
{
var suppress = InitializeViewModelAsync();
}
finally
{
EnableNavigationRequestedEventMessage.Publish();
History.Events.ThinkedAboutTargetEvent.Publish(targetId);
}
}
/// <summary>
/// Initializes ViewModel after navigated.
/// </summary>
/// <param name="message"></param>
public void Handle(Navigation.EventMessages.NavigatedEventMessage message)
{
//WE ARE LISTENING FOR A MESSAGE THAT SAYS WE WERE SUCCESSFULLY NAVIGATED TO (SHELLVIEW.MAIN == STUDYVIEWMODEL)
//SO WE ONLY CARE ABOUT NAVIGATED EVENT MESSAGES ABOUT OUR CORE AS DESTINATION.
if (message.NavigationInfo.ViewModelCoreNoSpaces !=
ViewModelBase.GetCoreViewModelName(typeof(StudyASongViewModel)))
{
return;
}
//WE HAVE BEEN SUCCESSFULLY NAVIGATED TO.
var targetId = Guid.NewGuid();
History.Events.ThinkingAboutTargetEvent.Publish(targetId);
try
{
InitializeViewModelAsync();
}
finally
{
History.Events.ThinkedAboutTargetEvent.Publish(targetId);
}
}