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.

EVC下实现的7段LED显示类，可以调整各种显示颜色，使用方便-EVC under paragraph 7 of the LED display type, you can adjust a variety of display colors, easy to use