一个用VS2005编写的画图程序，能设置颜色和画笔宽度，不过还是有点小问题以及功能不全，希望能得到大家的指教，欢迎一起讨论-A written by VS2005 draw procedure, can set colors and brushes width, but still a little small problems and the function is not complete, the hope can get everybody s comments, welcome to