使用Windows操作系统的API函数，实现《梦之初夏影音店》开店、进货，向顾客进行碟片的出售等功能，模拟店铺的全天的运营过程。-The use of Windows operating system API function, the realization of " audio-visual shops in the early summer of Dreams" shop, purchase to the customer for the sale of the disc