public void SetTitleBar()
{
this.ApplyTemplate();
if (this.GetTemplateChild("TitleBackground") is FrameworkElement e)
{
TitleBarHelper.SetTranisentTitleBar(e);
}
}
public void Show()
{
StartShowAnimation();
this.Visibility = Visibility.Visible;
// Focus the close button to ensure keyboard focus is retained inside the panel
BtnClose.Focus(FocusState.Programmatic);
ViewModel.PropertyChanged -= ViewModel_PropertyChanged;
ViewModel.PropertyChanged += ViewModel_PropertyChanged;
TitleBarHelper.SetTranisentTitleBar(TitleBackground);
}