给你个参考
Private Sub Combo1_Click()
Combo2.AddItem "北京"
Combo2.AddItem "上海"
Combo2.AddItem "重庆"
End Sub
Private Sub Combo2_Click()
Combo3.Clear
Select Case Combo2.Text
Case "北京"
Combo3.AddItem "颐和园"
Case "上海"
Combo3.AddItem "东方明珠"
Combo3.AddItem "朱家角"
Combo3.AddItem "外滩"
End Select
End Sub
Private Sub Combo3_Click()
Select Case Combo3.Text
Case "颐和园"
'……
Case "东方明珠"
'……
Case "朱家角"
'……
End Select
End Sub
Private Sub Form_Load()
Combo1.AddItem "中国"
End Sub
我给做了一个样例,你应该理解的。
用块if 语句 判断
选择后重写AddItem就可以。