static void Main(string[] args)
        {
            foreach (DriveInfo driver in DriveInfo.GetDrives())
            {
                if (driver.DriveType == DriveType.CDRom)
                {
                    Console.WriteLine("DVD RW 驅動器: {0}", driver.Name);
                }
                else if (driver.DriveType == DriveType.Removable)
                {
                    Console.WriteLine("可移動磁盤: {0}", driver.Name);
                }
                else if (driver.DriveType == DriveType.Fixed)
                {
                    Console.WriteLine("本地磁盤: {0}", driver.Name);
                }
                else
                {
                    Console.WriteLine("未知磁盤: {0}", driver.Name);
                }
            }

            Console.Read();
        }