// This method removes a screen from the application
// and cleans up resources related to this screen
private bool removeScreen(IScreen screen)
{
if (!screen.CanClose())
{
return(false);
}
_events.RemoveListener(screen);
_screens.Remove(screen);
_shellService.ClearTransient();
return(true);
}
public void OpenScreen(IScreen screen)
{
if (screen == null)
{
return;
}
if (screen.Equals(_activeScreen))
{
return;
}
if (_activeScreen != null && !_activeScreen.CanClose())
{
return;
}
screen.Activate();
_activeScreen = screen;
NotifyOfPropertyChange(() => ActiveScreen);
}