form1.frm

这里有很多很实用的VB编程案例,方便大家学习VB.

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "下拉列表框"
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command3 
      Caption         =   "关闭"
      Height          =   495
      Left            =   3240
      TabIndex        =   5
      Top             =   1320
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "增加"
      Height          =   495
      Left            =   1800
      TabIndex        =   4
      Top             =   1320
      Width           =   1215
   End
   Begin VB.TextBox Text1 
      Height          =   375
      Left            =   240
      TabIndex        =   3
      Text            =   "北京"
      Top             =   1320
      Width           =   1455
   End
   Begin VB.CommandButton Command2 
      Caption         =   "删除"
      Height          =   495
      Left            =   3360
      TabIndex        =   2
      Top             =   240
      Width           =   1215
   End
   Begin VB.ComboBox Combo1 
      Height          =   300
      Left            =   1440
      TabIndex        =   1
      Text            =   "Combo1"
      Top             =   360
      Width           =   1215
   End
   Begin VB.Label Label1 
      Caption         =   "城市"
      Height          =   375
      Left            =   240
      TabIndex        =   0
      Top             =   360
      Width           =   855
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
    '增加选项
    Combo1.AddItem Text1.Text
End Sub

Private Sub Command2_Click()
    On Error Resume Next
    Dim selecttext As Integer '选择的选项的行数
    selecttext = Combo1.ListIndex
    '删除选项
    Combo1.RemoveItem selecttext
End Sub

Private Sub Command3_Click()
    End
End Sub