一个TC下编写的绘图程序，可以鼠标操作画直线、画多边形、画贝塞尔曲线、填充、反色、清屏、橡皮擦功能，初学C语言的朋友可以研究下。-Prepared under a TC drawing program, you can mouse draw line, draw polygons, Bezier curve drawing, filling, anti-color, clear screen, eraser function, beginner C language can be studied under a friend.