public void SwitchLevel(LevelDescriptor ld)
{
StopTimers();
game.DisableSimulation();
level.Clear();
DownloadLevel(ld);
}
// async
public void DownloadLevel(LevelDescriptor ld)
{
ResourceDownloader rd = new ResourceDownloader("levels");
rd.AddItem(ld.Name, "foreground.xaml");
rd.AddItem(ld.Name, "background.xaml");
rd.AddItem(ld.Name, "entities.py");
rd.AddItem(ld.Name, "logic.py");
rd.AllCompleted += new EventHandler(rd_AllCompleted);
rd.AnyFailed += new EventHandler(rd_AnyFailed);
rd.Start();
}