一个简易的连点绘图实例，可以通过鼠标定义坐标，直接实现线段连点；对MFC初学者很有帮助；打开后先运行.dsw，Ctrl+F5，即可看到实例；-The connection point of drawing a simple example, you can define the coordinates of the mouse, direct line to achieve even point to MFC useful for beginners opened the first run