protected override void OnNavigatedFrom(NavigationEventArgs e)
{
if (this.currentLevel != null) {
this.currentLevel.Stop();
this.currentLevel = null;
}
}
private void NextLevel()
{
if (this.currentLevel != null) {
this.currentLevel.Completed -= this.HandleLevelCompleted;
this.LayoutRoot.Children.Remove(this.currentLevel);
}
++this.levelIndex;
if (this.levelIndex < this.levels.Count) {
this.currentLevel = (Level)Activator.CreateInstance(this.levels[this.levelIndex].LevelType);
this.currentLevel.Completed += this.HandleLevelCompleted;
this.LayoutRoot.Children.Add(this.currentLevel);
}
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
string levelName = null;
this.NavigationContext.QueryString.TryGetValue("Level", out levelName);
LevelInfo selectedLevel = null;
foreach (LevelInfo levelInfo in LevelInfo.AllLevels) {
if (levelInfo.Title == levelName)
selectedLevel = levelInfo;
}
this.currentLevel = (Level)Activator.CreateInstance(selectedLevel.LevelType);
this.currentLevel.Completed += this.HandleLevelCompleted;
this.LayoutRoot.Children.Add(this.currentLevel);
}