listbox.frm

vb编程+从基础到实践光盘代码

VERSION 5.00
Begin VB.Form listbox 
   Caption         =   "Form1"
   ClientHeight    =   2835
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4485
   LinkTopic       =   "Form1"
   ScaleHeight     =   2835
   ScaleWidth      =   4485
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command2 
      Caption         =   "不喜欢"
      Height          =   495
      Left            =   1680
      TabIndex        =   3
      Top             =   1680
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "喜欢"
      Height          =   495
      Left            =   1680
      TabIndex        =   2
      Top             =   840
      Width           =   1215
   End
   Begin VB.ListBox List2 
      Height          =   2220
      ItemData        =   "listbox.frx":0000
      Left            =   3120
      List            =   "listbox.frx":0002
      TabIndex        =   1
      Top             =   480
      Width           =   1215
   End
   Begin VB.ListBox List1 
      Height          =   2220
      ItemData        =   "listbox.frx":0004
      Left            =   120
      List            =   "listbox.frx":0006
      TabIndex        =   0
      Top             =   480
      Width           =   1335
   End
   Begin VB.Label Label1 
      Caption         =   "从左边的列表框中选取喜欢的水果："
      Height          =   375
      Left            =   120
      TabIndex        =   4
      Top             =   120
      Width           =   3735
   End
End
Attribute VB_Name = "listbox"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
List2.AddItem List1.Text   '将list1中选中的表项添加到list2中
End Sub

Private Sub Command2_Click()
If List2.ListIndex < 0 Then
If MsgBox("未选中任何水果，是否退出？", 4 + 48 + 256, "") = vbYes Then Exit Sub
Else
List2.RemoveItem List2.ListIndex    '将list2中不喜欢的表项删除
End If
End Sub

Private Sub Form_Load()
List1.AddItem "桃子"
List1.AddItem "桔子"
List1.AddItem "梨子"
List1.AddItem "哈密瓜"
List1.AddItem "开心果"
List1.AddItem "苹果"
List1.AddItem "蜜柚"
List1.AddItem "无花果"
End Sub

Private Sub List1_DblClick()
Command1_Click    '通过双击list1中的表项达到选中的目的
End Sub

Private Sub List2_DblClick()
Command2_Click    '通过双击list1中的表项达到删除的目的
End Sub