这是我刚开始学习c#时用过的一个图文教程。非常详细，但是其中提供的代码有很多错误，有的变量前后不一致。结合我上传的我写的Russian Terics代码会很清楚-This is what I used at the beginning of a learning c# graphic tutorials. Very detailed, but there are a lot of code that provides error, after some variable inconsistent