主要是基于VC.0，实现一个简单的绘图程序，可以绘制直线，圆，矩形、实现图形的移动，旋转、镜相、删除撤销、恢复、保存打开。-Mainly based on VC.0, to implement a simple drawing program, you can draw lines, circles, rectangles, to achieve graphics move, rotate, mirror phase, delete remove, restore, preserve open.