http://en.csharp-online.net/CSharp_Code_Snippets http://www.codeguru.com/video/ http://www.java2s.com/Code/CSharp/CatalogCSharp.htm http://www.example-code.com/ http://java.sys-con.com/node/325148 转载于:https://www.cnblogs.com/softwareking/archive/2011/04/19/2020452.html