烦人的C#！！！

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课本上做项目实战，一个ＭＩＳ系统，使用的Ｃ＃语言进行开发，可误的Ｃ＃，继承、接口老是出错，弄得我头都大了，好痛苦！

要不是那个ＶＳ ２００８确实做得不错，我摸都不想摸它，Ｃ＃！我恨你……