VBA - 工作表

Private Sub Worksheet_Change(ByVal Target As Range)
x = Left(Target.Address, 2)
If x = "$a" Then
Select Case Target.Value
Case 1
ActiveCell.Offset(-1, 1).Select
With Selection.Validation
.Delete
.Add Type:=xlValidateList, AlertStyle:=xlValidAlertStop, Operator:= _
xlBetween, Formula1:="板橋,中和,永和"
.IgnoreBlank = True
.InCellDropdown = True
.InputTitle = ""
.ErrorTitle = ""
.InputMessage = ""
.ErrorMessage = ""
.IMEMode = xlIMEModeNoControl
.ShowInput = True
.ShowError = True
End With
Case 2
ActiveCell.Offset(-1, 1).Select
With Selection.Validation
.Delete
.Add Type:=xlValidateList, AlertStyle:=xlValidAlertStop, Operator:= _
xlBetween, Formula1:="aa,jj,kk,ll,mm,nn"
.IgnoreBlank = True
.InCellDropdown = True
.InputTitle = ""
.ErrorTitle = ""
.InputMessage = ""
.ErrorMessage = ""
.IMEMode = xlIMEModeNoControl
.ShowInput = True
.ShowError = True
End With

End Select
End If


End Sub