A.下界必須為1 B.缺省的下界為1 C.缺省的下界為0 D.下界必須為0
A.四舍五入為Byte類型 B.取整為Byte類型 C.四舍五入為整型 D.取整為Integer類型
A.Dir1.Path=Drive1.DriveFile1.Path=Dir1.Path B.File1.Path=Drive1.DriveDir1.Path=Drive1.Drive C.Dir1.Path=Drive1.DriveFile1.Path=Drive1.Drive D.File1.Path=Dir1.PathDir1.Path=Drive1.Drive