最近学习C#语言，自己写了几个小程序，都是仿照windows写的，这个是计算器+日历工具，包内含c#源码,采用visual studio 2008编写，广大网友可供参考！-Recent learn C# language, write a few small programs are modeled on the windows to write, this is the calculator+ calendar tools package contains c# source code, wr