private static Rect GetRectFromRoot(UIElement root)
{
return new Rect(
root.PointToScreen(new Point()),
root.PointToScreen(new Point(root.RenderSize.Width, root.RenderSize.Height))
);
}
internal static Point ToScreen(this Point self, UIElement element)
{
return element.PointToScreen(self);
}
internal static Rect ToScreen(this Rect rect, UIElement element)
{
var topLeft = element.PointToScreen(rect.TopLeft);
var bottomRight = element.PointToScreen(rect.BottomRight);
return new Rect(topLeft, bottomRight);
}