windows ce 下的画各种b样条曲线，可以自行设置点画出不同颜色，粗细的曲线。,windows ce painting under a variety of b-spline curve, you can set up their own point drawn in different colors and thickness of the curve.

b-spline样条英文资料，也是很不错的。-b-spline spline information in English is very good.