Private Sub Command2_Click() HSeroll1.Min=0 HScroll1.Max=List1.ListCount HScroll1.Value=0 Timer1.Interval=______ Timer1.Enabled=True End Sub Private Sub Timer1_Timer() If List1.ListCount>0 Then List1.RemoveItem 0 HScroll1.Value=HSeroll1.Max-List1.ListCount Else Timer1.Enabled=______ MsgBox"全部删除!" End If End Sub