C#获取磁盘总容量和剩余容量

/// 获取指定驱动器的空间总大小(单位为GB)
        ///

        /// 只需输入代表驱动器的字母即可

        ///

        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/(1024*1024*1024);

                }

            }

            return totalSize;

        }

        ///

        /// 获取指定驱动器的剩余空间总大小(单位为GB)

        ///

        /// 只需输入代表驱动器的字母即可

        ///

        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/(1024*1024*1024);

                }

            }

            return freeSpace;

        }