void Animate(WindowContentHolder wch)
{
DoubleAnimation da = new DoubleAnimation(0, 250, new Duration(TimeSpan.FromMilliseconds(350)));
da.FillBehavior = FillBehavior.Stop;
wch.BeginAnimation(WindowContentHolder.HeightProperty, da);
wch.BeginAnimation(WindowContentHolder.OpacityProperty, new DoubleAnimation(0, 1.0, new Duration(TimeSpan.FromMilliseconds(350))));
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
WindowContentHolder wch = LayoutHelper.FindParentObject <WindowContentHolder>((DependencyObject)value);
Application.Current.Dispatcher.BeginInvoke(new StartAnimationEventDelegate(Animate), wch);
wch.IsVisibleChanged += new DependencyPropertyChangedEventHandler(wch_IsVisibleChanged);
return(wch.Background);
}
