qkoufu0961 2021-09-22 12:56 开发者_StackOverflow社区你不在北京曹轩宾shaneCao 词：文雅 曲：曹轩宾
I have these classes in C# (.NET Framework 3.5) described below: public class Base { public int State {get; set;}
加载中,请稍侯......