//获取系统信息
System.OperatingSystem osInfo = System.Environment.OSVersion; 

//获取操作系统ID
System.PlatformID platformID = osInfo.Platform;

//获取主版本号
int versionMajor = osInfo.Version.Major;

//获取副版本号
int versionMinor = osInfo.Version.Minor;



//csharp/4488