void TryMapShapeToTightLooseCouple(Shape shape, TightLooseCouple tightLooseCouple) {
            if (ShapeIsInsideOfPoly(shape, tightLooseCouple.TightPolyline))
                ShapesToTightLooseCouples[shape] = tightLooseCouple;
#if TEST_MSAGL
            tightLooseCouple.LooseShape.UserData = (string) shape.UserData + "x";
#endif
        }
        void TryMapShapeToTightLooseCouple(Shape shape, TightLooseCouple tightLooseCouple)
        {
            if (ShapeIsInsideOfPoly(shape, tightLooseCouple.TightPolyline))
            {
                ShapesToTightLooseCouples[shape] = tightLooseCouple;
            }
#if TEST_MSAGL
            tightLooseCouple.LooseShape.UserData = (string)shape.UserData + "x";
#endif
        }