
vb中组合框的用法
2013-10-19
展开全部
代码如下,你需要自己定义好单价 Private Sub Command1_Click()
Select Case Combo1.Text
Case "烟"
Label1.Caption = 8 * Val(Text1.Text)
Case "酒"
Label1.Caption = 15 * Val(Text1.Text)
Case "茶"
Label1.Caption = 12 * Val(Text1.Text)
Case "糖"
Label1.Caption = 7 * Val(Text1.Text)
End Select
End SubPrivate Sub Form_Load()
Combo1.AddItem "烟"
Combo1.AddItem "酒"
Combo1.AddItem "茶"
Combo1.AddItem "糖"
Combo1.ListIndex = 0
End Sub
Select Case Combo1.Text
Case "烟"
Label1.Caption = 8 * Val(Text1.Text)
Case "酒"
Label1.Caption = 15 * Val(Text1.Text)
Case "茶"
Label1.Caption = 12 * Val(Text1.Text)
Case "糖"
Label1.Caption = 7 * Val(Text1.Text)
End Select
End SubPrivate Sub Form_Load()
Combo1.AddItem "烟"
Combo1.AddItem "酒"
Combo1.AddItem "茶"
Combo1.AddItem "糖"
Combo1.ListIndex = 0
End Sub
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