使用驱动器列表框drive1、目录列表框dir1、文件列表框file1时,需要设置控件的同步,以下能够正确设
A)dir1.path=drive1.path
B)file1.path=dir1.path
C)file1.path=drive1.path
D)drive1.drive=dir1.path
A)dir1.path=drive1.path
B)file1.path=dir1.path
C)file1.path=drive1.path
D)drive1.drive=dir1.path
A.Dirve1.Drive=Dir1.Path
B.Dir1.Path=Drive1.Drive
C.Dir1.Path=File1.Path
D.File1.Path=Dir1.Path
A.Dir1.Path=Drive1.Path
B.File1.Path=Dri1.Path
C.File1.Path=Drive1.Path
D.Drive1.Drive=Dri1.Path
A.Dirve1.Drive=Dir1.Path
B.Dir1.Path=Drive1.Drive
C.Dir1.Path=Filel.Path
D.File1.Path=Dir1.Path
A.Dirve1. Drive=Dir1. Path
B.Dit1. Path=Drive1. Drive
C.Dir1. Path=File1. Path
D.File1. Path=Dir1. Path
A.Drive1_Change
B.Drive1_Click
C.Dir1_Click
D.Dir1_Change
A.Drive1_Change
B.Drive1_Click
C.Dir1_Click
D.Dir1_Change
A.在Dir1中的Change事件中,书写语句Dir1.Drive=Drive1.Drive
B.在Dir1中的Change事件中,书写语句Dir1.Path=Drive1.Drive
C.在Drive1中的Change事件中,书写语句Dir1.Path=Drive1.Drive
D.在Drive1中的Change事件中,书写语句Dir1.Drive=Drive1.Drive
A.Drive1_Change
B.Drive1_Click
C.Dir1_Click
D.Dir1_Change
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