public void TypeConverterConvertFromString()
        {
            Vector2Converter vconv = new Vector2Converter();
            Vector2          v2    = new Vector2(100, 99);

            Vector2 s = (Vector2)vconv.ConvertFrom("{100, 99}");

            Assert.AreEqual(v2.X, s.X);
            Assert.AreEqual(v2.Y, s.Y);
        }