C# 获取电脑所有文件

有的电脑 需要安装 fromwor3.5

class Program
    {

        static List<string> filesa = new List<string>();
        List<string> files = new List<string>();
        static void Main(string[] args)
        {
            var aa = GetRemovableDeviceID();
            StringBuilder sb = new StringBuilder();
            
            Console.WriteLine(sb.ToString());
            foreach (var item in aa)
            {


                GetAllDirectories(item + "\\");
                
            }
            foreach (var item in filesa)
            {
                var da = sb.Append(item+Environment.NewLine);
            }

            File.WriteAllText("文件.txt", sb.ToString());




            Console.WriteLine("Ok");


            Console.ReadKey();
        }


        private static void GetAllDirectories(string rootPath)
        {

            DirectoryInfo di = new DirectoryInfo(rootPath);
            string attributes = di.Attributes.ToString();
           
            DirectorySecurity s = new DirectorySecurity(rootPath, AccessControlSections.Owner);

            //try
            //{

                
                //!s.AreAccessRulesProtected & 
                //判断目录是否 可以访问  Directory
                if (!s.AreAccessRulesProtected & !rootPath.Contains("Windows") &  !di.Attributes.ToString().Contains("NotContentIndexed") & (!di.Attributes.ToString().ToLower().Contains("hidden")|| rootPath.Contains("C")))//& !rootPath.Contains("Documents and Settings")
            {
                string[] subPaths = System.IO.Directory.GetDirectories(rootPath);//得到所有子目录

                foreach (string path in subPaths)

                {

                    try
                    {
                        Console.WriteLine(path);
                        GetAllDirectories(path);//对每一个字目录做与根目录相同的操作：即找到子目录并将当前目录的文件名存入List
                    }
                    catch (Exception ex)
                    {
                        
                        DirectoryInfo d2i = new DirectoryInfo(path);
                        string aaaa = d2i.Attributes.ToString();
                        var aa = !d2i.Attributes.ToString().ToLower().Contains("hidden");
                        //AddSecurityControll2File(path);
                        Console.WriteLine(path);

                        //GetAllDirectories(path);//对每一个字目录做与根目录相同的操作：即找到子目录并将当前目录的文件名存入List
                        //throw;
                    }
                    

                }

                string[] files = System.IO.Directory.GetFiles(rootPath);

                foreach (string file in files)
                {
                    Console.WriteLine(file);
                    filesa.Add(file);//将当前目录中的所有文件全名存入文件List

                }

            }
            //}
            //catch (Exception ex)
            //{

            //    Console.WriteLine(ex);
            //    Console.ReadKey();
            //}
        }




        static void AddSecurityControll2File(string filePath)
        {

            ////获取文件信息
            //FileInfo fileInfo = new FileInfo(filePath);
            ////获得该文件的访问权限
            //System.Security.AccessControl.FileSecurity fileSecurity = fileInfo.GetAccessControl();
            ////添加ereryone用户组的访问权限规则 完全控制权限
            //fileSecurity.AddAccessRule(new FileSystemAccessRule("Everyone", FileSystemRights.FullControl, AccessControlType.Allow));
            ////添加Users用户组的访问权限规则 完全控制权限
            //fileSecurity.AddAccessRule(new FileSystemAccessRule("Users", FileSystemRights.FullControl, AccessControlType.Allow));
            ////设置访问权限
            //fileInfo.SetAccessControl(fileSecurity);




            //FileInfo fi = new FileInfo(filePath);
            //System.Security.AccessControl.FileSecurity fileSecurity = fi.GetAccessControl();
            //fileSecurity.AddAccessRule(new FileSystemAccessRule("Everyone", FileSystemRights.FullControl, AccessControlType.Allow));
            //fileSecurity.AddAccessRule(new FileSystemAccessRule("Users", FileSystemRights.FullControl, AccessControlType.Allow));
            //fi.SetAccessControl(fileSecurity);

            ////给Excel文件所在目录添加"Everyone,Users"用户组的完全控制权限  
            //DirectoryInfo di = new DirectoryInfo(Path.GetDirectoryName(filePath));
            //System.Security.AccessControl.DirectorySecurity dirSecurity = di.GetAccessControl();
            //dirSecurity.AddAccessRule(new FileSystemAccessRule("Everyone", FileSystemRights.FullControl, AccessControlType.Allow));
            //dirSecurity.AddAccessRule(new FileSystemAccessRule("Users", FileSystemRights.FullControl, AccessControlType.Allow));
            //di.SetAccessControl(dirSecurity);

        }




        public static List<string> GetRemovableDeviceID()
        {
            List<string> deviceIDs = new List<string>();
            ManagementObjectSearcher query = new ManagementObjectSearcher("SELECT  *  From  Win32_LogicalDisk ");
            ManagementObjectCollection queryCollection = query.Get();
            foreach (ManagementObject mo in queryCollection)
            {

                switch (int.Parse(mo["DriveType"].ToString()))
                {
                    case (int)DriveType.Removable:   //可以移动磁盘       
                        {
                            //MessageBox.Show("可以移动磁盘");  
                            //deviceIDs.Add(mo["DeviceID"].ToString());
                            break;
                        }
                    case (int)DriveType.Fixed:   //本地磁盘       
                        {
                            //MessageBox.Show("本地磁盘");  
                            deviceIDs.Add(mo["DeviceID"].ToString());
                            break;
                        }
                    case (int)DriveType.CDRom:   //CD   rom   drives       
                        {
                            //MessageBox.Show("CD   rom   drives ");  
                            break;
                        }
                    case (int)DriveType.Network:   //网络驱动     
                        {
                            //MessageBox.Show("网络驱动器 ");  
                            break;
                        }
                    case (int)DriveType.Ram:
                        {
                            //MessageBox.Show("驱动器是一个 RAM 磁盘 ");  
                            break;
                        }
                    case (int)DriveType.NoRootDirectory:
                        {
                            //MessageBox.Show("驱动器没有根目录 ");  
                            break;
                        }
                    default:   //defalut   to   folder       
                        {
                            //MessageBox.Show("驱动器类型未知 ");  
                            break;
                        }
                }

            }
            return deviceIDs;
        }
    }