DriveInfo driveinfo = new DriveInfo(@"C:\");
Console.WriteLine((double)driveinfo.AvailableFreeSpace/(1024*1024*1024)+"G");
Console.WriteLine((double)driveinfo.TotalSize / (1024 * 1024 * 1024)+"G");
转载于:https://www.cnblogs.com/zhangran/archive/2012/03/25/2416331.html