// Be sure to call the base class constructor.
public DragDropImage(UIElement adornedElement)
: base(adornedElement)
{
_child = new Rectangle();
_child.Width = adornedElement.RenderSize.Width;
_child.Height = adornedElement.RenderSize.Height;
adornedElement.ApplyAnimationClock(FrameworkElement.OpacityProperty, null);
double _originalOpacity = adornedElement.Opacity;
adornedElement.Opacity = 1;
_child.Fill = new ImageBrush(ImageProc.GetImage(adornedElement));
Opacity = _originalOpacity;
adornedElement.Opacity = 0;
}
/// <summary>
/// For use when the adornedElement is not rendered yet and screenshotElement has a similar appearance.
/// </summary>
/// <param name="adornedElement"></param>
/// <param name="screenshotElement"></param>
public DragDropImage(UIElement adornedElement, UIElement screenshotElement)
: base(adornedElement)
{
_child = new Rectangle();
_child.Width = screenshotElement.RenderSize.Width;
_child.Height = screenshotElement.RenderSize.Height;
screenshotElement.ApplyAnimationClock(FrameworkElement.OpacityProperty, null);
double opacity = screenshotElement.Opacity;
screenshotElement.Opacity = 1;
_child.Fill = new ImageBrush(ImageProc.GetImage(screenshotElement));
screenshotElement.Opacity = opacity;
adornedElement.Opacity = 0;
}
