protected override void OnSizeChanged(int w, int h, int oldw, int oldh)
        {
            base.OnSizeChanged(w, h, oldw, oldh);

            var outline = new Outline();

            OutlineProvider = new OutlineProv();
            outline.SetOval(0, 0, w, h);
            OutlineProvider.GetOutline(this, outline);
            ClipToOutline = true;
        }
		protected override void OnSizeChanged (int w, int h, int oldw, int oldh)
		{
			base.OnSizeChanged (w, h, oldw, oldh);

			var outline = new Outline ();
			OutlineProvider = new OutlineProv ();
			outline.SetOval (0, 0, w, h);
			OutlineProvider.GetOutline (this, outline);
			ClipToOutline = true;
		}