C#获取硬盘空间信息

        ///  <summary>
        /// 获取指定驱动器的空间总大小(单位为B)
        ///  </summary>
        ///  <param name="str_HardDiskName">只需输入代表驱动器的字母即可 </param>
        ///  <returns> </returns>
        public static long GetHardDiskSpace(string str_HardDiskName)
        {
            long totalSize= new long();
            str_HardDiskName=str_HardDiskName +":\\";
            System.IO.DriveInfo[] drives = System.IO.DriveInfo.GetDrives();
            foreach (System.IO.DriveInfo drive in drives)
            {
                if (drive.Name == str_HardDiskName)
                {
                    totalSize = drive.TotalSize / ( *  * );
                }
            }
            return totalSize;
        }

        ///  <summary>
        /// 获取指定驱动器的剩余空间总大小(单位为B)
        ///  </summary>
        ///  <param name="str_HardDiskName">只需输入代表驱动器的字母即可 </param>
        ///  <returns> </returns>
        public static long GetHardDiskFreeSpace(string str_HardDiskName)
        {
            long freeSpace = new long();
            str_HardDiskName = str_HardDiskName + ":\\";
            System.IO.DriveInfo[] drives = System.IO.DriveInfo.GetDrives();
            foreach (System.IO.DriveInfo drive in drives)
            {
                if (drive.Name == str_HardDiskName)
                {
                    freeSpace = drive.TotalFreeSpace / ( *  * );
                }
            }
            return freeSpace;
        }