AdvancedLauncher.Tools.Extensions.PresentationSourceExtensions.TransformDescendantToClient C# (CSharp) Метод

        public static Point TransformDescendantToClient(this PresentationSource presentationSource, Point point, Visual descendant)
        {
            Point pt = descendant.TransformToAncestor(presentationSource.RootVisual).Transform(point);
            return TransformRootToClient(presentationSource, pt);
        }