practice9_3.frm

深圳大学的vb上机与教学的课件

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "图书资料列表管理"
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command6 
      Caption         =   "最后一个"
      Height          =   375
      Left            =   3360
      TabIndex        =   6
      Top             =   2640
      Width           =   1215
   End
   Begin VB.CommandButton Command5 
      Caption         =   "第一个"
      Height          =   375
      Left            =   3360
      TabIndex        =   5
      Top             =   2160
      Width           =   1215
   End
   Begin VB.CommandButton Command4 
      Caption         =   "下移一个"
      Height          =   375
      Left            =   3360
      TabIndex        =   4
      Top             =   1680
      Width           =   1215
   End
   Begin VB.CommandButton Command3 
      Caption         =   "上移一个"
      Height          =   375
      Left            =   3360
      TabIndex        =   3
      Top             =   1200
      Width           =   1215
   End
   Begin VB.CommandButton Command2 
      Caption         =   "删除"
      Height          =   375
      Left            =   3360
      TabIndex        =   2
      Top             =   720
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "添加"
      Height          =   375
      Left            =   3360
      TabIndex        =   1
      Top             =   240
      Width           =   1215
   End
   Begin VB.ListBox List1 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   2790
      ItemData        =   "practice9_3.frx":0000
      Left            =   240
      List            =   "practice9_3.frx":0028
      TabIndex        =   0
      Top             =   240
      Width           =   3015
   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()
  addit = Trim(InputBox("请输入书名", 注意))
  If addit <> "" Then
    List1.AddItem addit
  End If
End Sub

Private Sub Command2_Click()
  If List1.ListCount = 0 Then
    MsgBox "列表中已经没有书", , "注意"
    Exit Sub
  End If
  If List1.ListIndex >= 0 Then
    List1.RemoveItem List1.ListIndex
  Else
    MsgBox "请先选择某本书", , "注意"
  End If
End Sub

Private Sub Command3_Click()
  Select Case List1.ListIndex
    Case 0
    MsgBox "不能上移", , "注意"
  Case -1
    MsgBox "请先选择", , "注意"
  Case Else
    n = List1.ListIndex
    a = List1.List(n - 1)
    List1.List(n - 1) = List1.List(n)
    List1.List(n) = a
    List1.Selected(n - 1) = True
  End Select
End Sub

Private Sub Command4_Click()
  Select Case List1.ListIndex
    Case List1.ListCount - 1
    MsgBox "不能下移", , "注意"
  Case -1
    MsgBox "请先选择", , "注意"
  Case Else
    n = List1.ListIndex
    a = List1.List(n + 1)
    List1.List(n + 1) = List1.List(n)
    List1.List(n) = a
    List1.Selected(n + 1) = True
  End Select
End Sub

Private Sub Command5_Click()
  List1.Selected(0) = True
End Sub

Private Sub Command6_Click()
  List1.Selected(List1.ListCount - 1) = True
End Sub