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
Object = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}#2.0#0"; "MSCOMCTL.OCX"
Begin VB.Form Form1 
   Caption         =   "在工具栏上添加下拉列表框"
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin MSComctlLib.Toolbar Toolbar1 
      Align           =   1  'Align Top
      Height          =   615
      Left            =   0
      TabIndex        =   1
      Top             =   0
      Width           =   4680
      _ExtentX        =   8255
      _ExtentY        =   1085
      ButtonWidth     =   609
      ButtonHeight    =   926
      Appearance      =   1
      _Version        =   393216
   End
   Begin VB.ComboBox Combo1 
      Height          =   300
      ItemData        =   "Form1.frx":0000
      Left            =   1800
      List            =   "Form1.frx":0002
      TabIndex        =   0
      Text            =   "Combo1"
      Top             =   1440
      Width           =   1215
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Form_load()
Dim btn As Button
Combo1.AddItem "Item1"
Combo1.AddItem "Item2"
Combo1.AddItem "Item3"
Combo1.Text = "Item1"
Me.Show
Set btn = Toolbar1.Buttons.Add()
btn.Style = tbrSeparator
Set btn = Toolbar1.Buttons.Add()
btn.Style = tbrPlaceholder
btn.Key = "ComboBox"
btn.Width = 1000

Set btn = Toolbar1.Buttons.Add
btn.Style = tbrDefault

Set btn = Toolbar1.Buttons.Add
btn.Style = tbrDefault


With Combo1
    Set .Container = Toolbar1
    .ZOrder 0
    .Width = Toolbar1.Buttons("ComboBox").Width
    .Top = Toolbar1.Buttons("ComboBox").Top
    .Left = Toolbar1.Buttons("ComboBox").Left
End With
Combo1.Visible = True

End Sub