c# 文件夹权限

/// <summary>

        /// 建立文件路径

        /// </summary>

        /// <param name="filepath"></param>

        /// <returns></returns>

        private void CreatePath(string filepath)

        {

            if (!Directory.Exists(filepath))

            {

                var securityRules = new DirectorySecurity();

                securityRules.AddAccessRule(new FileSystemAccessRule(System.Environment.UserName, FileSystemRights.FullControl, AccessControlType.Allow));

                securityRules.AddAccessRule(new FileSystemAccessRule("Everyone", FileSystemRights.FullControl, AccessControlType.Allow));

                securityRules.AddAccessRule(new FileSystemAccessRule("NETWORK SERVICE", FileSystemRights.FullControl, AccessControlType.Allow));

                Directory.CreateDirectory(filepath, securityRules);

            }