/// <summary>
/// Returns the <see cref="Style"/> to apply to the content during the transition.
/// </summary>
/// <param name="presenter">The <see cref="TransitionPresenter"/> that is managing the transition.</param>
/// <param name="previousElement">The previous element.</param>
/// <returns>
/// The <see cref="Style"/> to apply to the "to" content during the transition.
/// </returns>
private Style GetCoreContentStyle(TransitionPresenter presenter, FrameworkElement previousElement)
{
TransitionEffect effect = this.Effect;
if (null == effect)
{
return(null);
}
effect = effect.Clone() as TransitionEffect;
if (null == effect)
{
return(null);
}
if (null != previousElement && 0 != previousElement.ActualHeight && 0 != previousElement.ActualWidth)
{
VisualBrush visualBrush = new VisualBrush(previousElement);
visualBrush.Viewbox = new Rect(0, 0, previousElement.ActualWidth, previousElement.ActualHeight);
visualBrush.ViewboxUnits = BrushMappingMode.Absolute;
effect.OldImage = visualBrush;
}
else
{
effect.OldImage = new VisualBrush();
}
Style style = new Style(typeof(FrameworkElement));
style.Setters.Add(new Setter(FrameworkElement.EffectProperty, effect));
return(style);
}
private void MediaCenter_PreviewMouseDown(object sender, MouseButtonEventArgs e)
{
VisualBrush vbrush = new VisualBrush(this);
_TransitionEffect = _TransitionEffect.Clone() as TransitionEffect;
this.Effect = _TransitionEffect;
// _TransitionEffect.Input = vbrush.Clone();
_TransitionEffect.OldImage = vbrush.Clone();
_TransitionEffect.BeginAnimation(TransitionEffect.ProgressProperty, _Animation);
}