C#获取WIndows版本号截止至Windows2003Server版本

//引用空间
using System;
//获取操作系统版本函数
public string GetCurrentOSVersion()
{
//Windows操作系统版本号组成部分:主版本号.次版本号.内部版本号.修订版本号
string tempOSVersion="";
//从System引用空间中获取当前Windows操作系统的详细描述信息
System.OperatingSystem myOperatingSystem =System.Environment.OSVersion;
//从描述信息的版本号判断当前Windows操作系统平台.
switch(myOperatingSystem.Platform)
{
//操作平台可能是Windows 95, Windows 98,Windows 98 Second Edition 或者 Windows Me.
case System.PlatformID.Win32Windows:
switch (myOperatingSystem.Version.Minor)
{
case 0:
tempOSVersion="Windows 95";
break;
case 10:
if(myOperatingSystem.Version.Revision.ToString()=="2222A")
tempOSVersion="Windows 98 Second Edition";
else
tempOSVersion="Windows 98";
break;
case 90:
tempOSVersion="Windows Me";
break;
default:
tempOSVersion=myOperatingSystem.Version.ToString();
break;
}break;
//操作平台可能是Windows NT 3.51, Windows NT 4.0, Windows 2000 或者 Windows XP.
case System.PlatformID.Win32NT:
switch(myOperatingSystem.Version.Major)
{
case 3:
tempOSVersion="Windows NT 3.51";
break;
case 4:
tempOSVersion="Windows NT 4.0";
break;
case 5:
switch(myOperatingSystem.Version.Minor)
{
case 0:tempOSVersion="Windows 2000"; break;
case 1:tempOSVersion="Windows XP"; break;
case 2:tempOSVersion="Windows Server 2003";break;
default:tempOSVersion="Windows Server 2003以上版本"; break;
}break;
default:
tempOSVersion=myOperatingSystem.Version.ToString();
break;
}break;

default:
tempOSVersion=myOperatingSystem.Version.ToString();
break;
}
return tempOSVersion;
}