两种取得硬盘剩余空间方法

取出来的单位是B：）

    [DllImport( " kernel32.dll " )]
     private   static   extern   bool  GetDiskFreeSpaceEx(
         string  lpDirectoryName,  out   ulong  lpFreeBytesAvailable,  out   ulong  lpTotalNumberOfBytes,  out   ulong  lpTotalNumberOfFreeBytes);

     ///  

     ///  取得磁盘剩余空间
     ///  

     ///   驱动器名
     ///   剩余空间
     private   static   ulong  GetFreeSpace( string  driveDirectoryName)
    {
         ulong  freeBytesAvailable, totalNumberOfBytes, totalNumberOfFreeBytes;
         if  ( ! driveDirectoryName.EndsWith( " :\\ " ))
        {
            driveDirectoryName  +=   " :\\ " ;
        }
        GetDiskFreeSpaceEx(driveDirectoryName,  out  freeBytesAvailable,  out  totalNumberOfBytes,  out  totalNumberOfFreeBytes);
         return  freeBytesAvailable;
    }

     ///  

     ///  取得磁盘剩余空间
     ///  

     ///   驱动器名
     ///   剩余空间
     private   static   ulong  GetFreeSpace( string  driveDirectoryName)
    {
         ulong  freefreeBytesAvailable  =   0 ;

        DriveInfo drive  =   new  DriveInfo(driveDirectoryName);

        freefreeBytesAvailable  =  ( ulong )drive.AvailableFreeSpace;

         return  freefreeBytesAvailable;
    }

转载于:https://www.cnblogs.com/luoboqingcai/archive/2006/06/13/424763.html