C#获取用户桌面等特殊系统路径

using Microsoft.Win32;  
namespace JPGCompact  
{  
    public partial class MainForm : Form  
    {  
        private void Test()  
        {  
            RegistryKey folders;  
            folders = OpenRegistryPath(Registry.CurrentUser, @"/software/microsoft/windows/currentversion/explorer/shell folders");  
            // Windows用户桌面路径  
            string desktopPath = folders.GetValue("Desktop").ToString();  
            // Windows用户字体目录路径  
            string fontsPath = folders.GetValue("Fonts").ToString();  
            // Windows用户网络邻居路径  
            string nethoodPath = folders.GetValue("Nethood").ToString();  
            // Windows用户我的文档路径  
            string personalPath = folders.GetValue("Personal").ToString();  
            // Windows用户开始菜单程序路径  
            string programsPath = folders.GetValue("Programs").ToString();  
            // Windows用户存放用户最近访问文档快捷方式的目录路径  
            string recentPath = folders.GetValue("Recent").ToString();  
            // Windows用户发送到目录路径  
            string sendtoPath = folders.GetValue("Sendto").ToString();  
            // Windows用户开始菜单目录路径  
            string startmenuPath = folders.GetValue("Startmenu").ToString();  
            // Windows用户开始菜单启动项目录路径  
            string startupPath = folders.GetValue("Startup").ToString();  
            // Windows用户收藏夹目录路径  
            string favoritesPath = folders.GetValue("Favorites").ToString();  
            // Windows用户网页历史目录路径  
            string historyPath = folders.GetValue("History").ToString();  
            // Windows用户Cookies目录路径  
            string cookiesPath = folders.GetValue("Cookies").ToString();  
            // Windows用户Cache目录路径  
            string cachePath = folders.GetValue("Cache").ToString();  
            // Windows用户应用程式数据目录路径  
            string appdataPath = folders.GetValue("Appdata").ToString();  
            // Windows用户打印目录路径  
            string printhoodPath = folders.GetValue("Printhood").ToString();  
        }  
  
        private RegistryKey OpenRegistryPath(RegistryKey root, string s)  
        {  
            s = s.Remove(0, 1) + @"/";  
            while (s.IndexOf(@"/") != -1)  
            {  
                root = root.OpenSubKey(s.Substring(0, s.IndexOf(@"/")));  
                s = s.Remove(0, s.IndexOf(@"/") + 1);  
            }  
            return root;  
        }  
    }  
}