C#桌面工具源码，1、动态获取所在城市名、IP地址、天气 2、阴阳历转换 3、提供一个“另类”的方式来运行程序 并附解释文档-C# desktop tools source code, a dynamic access to city name, IP address, the weather 2, lunisolar calendar converter 3, to provide a " alternative" way to run the program