画图程序，实现了一个简单的画图功能，运行程序，在绘图菜单下选择要回执的图形后，在窗体中拖动鼠标就可以绘制想要得图形，绝对的源码，编译后即可运行-Drawing procedures, to achieve a simple drawing functions, run the program, in the graphics menu to select the graphics after receipt, in the form drag the mouse you want to be a