Visual C#获取系统环境和平台信息，计算机名，当前平台名，平台版本号，系统目录路径，与系统相连的网络名，系统当前时间，系统启动后经过的毫秒数，编写过程中为避免编写的代码冗长，添加了 AddItem 方法，添加项 sItem 到 listView1 中。-Visual C# acquisition system environment and platform information, computer name, the current platform name, the platform version number, the system directory path, the network name connected to the system, the system current time, the number of milliseconds after the system starts after the preparation process in order to avoid the preparation of code lengthy, added AddItem method to add items to listView1 in sItem.