protected override void OnUnloaded()
{
this.DataContext = null;
this.viewModel?.Dispose();
this.viewModel = null;
ClientUpdateHelper.UpdateCallback -= this.Update;
}
protected override void OnLoaded()
{
VisualStateManager.GoToElementState(this.GetByName <Grid>("LayoutRoot"),
"Collapsed",
useTransitions: false);
this.DataContext = this.viewModel = new ViewModelCharacterBossHealthbarControl(this.character);
ClientUpdateHelper.UpdateCallback += this.Update;
}
