说明：  Delphi写的图片抽奖程序，是应一个朋友的要求写的，本来是想网上找一个，结果都要钱，这么简单的功能，花了两个小时写完
(Delphi wrote the picture draw program, is a friend s request to write, is to want to online, all money, such a simple function, spent two hours to finish)