/// <summary>
/// 判斷一個(gè)磁盤驅(qū)動(dòng)器的類型
/// </summary>
/// <param name="nDrive">包含了驅(qū)動(dòng)器根目錄路徑的一個(gè)字串</param>
/// <returns>Long，如驅(qū)動(dòng)器不能識(shí)別，則返回零。如指定的目錄不存在，則返回1。如執(zhí)行成功，則用下述任何一個(gè)常數(shù)指定驅(qū)動(dòng)器類型：DRIVE_REMOVABLE， DRIVE_FIXED， DRIVE_REMOTE， DRIVE_CDROM 或 DRIVE_RAMDISK</returns>
[DllImport("Kernel32.dll", EntryPoint = "GetDriveTypeA", SetLastError = true, CharSet = CharSet.Unicode, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]
public static extern long GetDriveType(string nDrive);

DriveInfo driveInfo = new DriveInfo(Drive);