这是一个根据产品的数量来画出对应扇形比例图的程序,它是用MFC写的,(This is a based on the amount of product to draw the corresponding fan scale map program, it is written in MFC,)

用VC来实现扇形的绘制,教会你绘制扇形的方法,是画圆饼图的基础,,()