/// <summary>
        /// 設置文件夾共享
        /// </summary>
        /// <param name="FolderPath">文件夾路徑</param>
        /// <param name="ShareName">共享名</param>
        /// <param name="Description">共享註釋</param>
        /// <returns></returns>
        public static
 
 int ShareNetFolder(string FolderPath, string ShareName, string Description)
        {
            try
            {
                ManagementClass managementClass = new ManagementClass("Win32_Share");
                // Create ManagementBaseObjects for in and out parameters
                ManagementBaseObject inParams = managementClass.GetMethodParameters("
 
Create");
                ManagementBaseObject outParams;
                // Set the input parameters
                inParams["Description"] = Description;
                inParams["Name"] = ShareName;
                inParams["Path"] = FolderPath;
                inParams["Type"] = 0x0; // Disk Drive
                outParams = managementClass.InvokeMethod("
 
Create", inParams, null);
                // Check to see if the method invocation was successful
                if ((uint)(outParams.Properties["ReturnValue"].Value) != 0)
                {
                    throw new Exception("Unable to share directory.");
                }
                //設置所有人可讀
                DirectorySecurity fSec = new DirectorySecurity();
                fSec.AddAccessRule(new FileSystemAccessRule(@"Everyone", FileSystemRights.FullControl, AccessControlType.Allow));
                System.IO.Directory.SetAccessControl(FolderPath, fSec);
            }
            catch
            {
                return -1;
            }
            return 0;
        }
        /// <summary>
        /// 取消文件夾共享
        /// </summary>
        /// <param name="ShareName">文件夾的共享名</param>
        /// <returns></returns>
        public static int CancelShareNetFolder(string ShareName)
        {
            try
            {
                SelectQuery selectQuery = new SelectQuery("Select * from Win32_Share Where Name = ‘" + ShareName + "‘");
                ManagementObjectSearcher searcher = new ManagementObjectSearcher(selectQuery);
                foreach (ManagementObject mo in searcher.Get())
                {
                    mo.InvokeMethod("Delete", null, null);
                }
            }
            catch
            {
                return -1;
            }
            return 0;
        }

        /// <summary>
        /// 執行Dos命令並返回執行結果，默認2秒內執行完
        /// 
        /// net session /delete /y 刪除該計算機的所有會話（局域網服務器連接超最大數時刻執行）
        /// 如果是服務器部署了網站，刪除會話命令慎用
        /// </summary>
        /// <param name="dosCommand">dos命令</param>
        /// <param name="milliseconds">最大執行秒數</param>
        /// <returns></returns>
        public static string Execute(string dosCommand, int milliseconds=2000)
        {
            string output = "";     //輸出字符串
            if (dosCommand != null && dosCommand != "")
            {
                Process process = new Process();     //創建進程對象
                ProcessStartInfo startInfo = new ProcessStartInfo();
                startInfo.FileName = "cmd.exe";      //設定需要執行的命令
                startInfo.Arguments = "/C " + dosCommand;   //設定參數，其中的“/C”表示執行完命令後馬上退出
                startInfo.UseShellExecute = false;     //不使用系統外殼程序啟動
                startInfo.RedirectStandardInput = false;   //不重定向輸入
                startInfo.RedirectStandardOutput = true;   //重定向輸出
                startInfo.CreateNoWindow = true;     //不創建窗口
                process.StartInfo = startInfo;
                try
                {
                    if (process.Start())       //開始進程
                    {
                        if (milliseconds == 0)
                            process.WaitForExit();     //這裏無限等待進程結束
                        else
                            process.WaitForExit(milliseconds);  //這裏等待進程結束，等待時間為指定的毫秒
                        output = process.StandardOutput.ReadToEnd();//讀取進程的輸出
                    }
                }
                catch { }
                finally
                {
                    if (process != null)
                        process.Close();
                }
            }
            return output;
        }

c# 設置和取消文件夾共享及執行Dos命令