form1.frm

本文件包含200个visual baisc实例

VERSION 5.00
Object = "{F9043C88-F6F2-101A-A3C9-08002B2F49FB}#1.2#0"; "COMDLG32.OCX"
Begin VB.Form Form1 
   Caption         =   "带历史信息的菜单"
   ClientHeight    =   1665
   ClientLeft      =   2280
   ClientTop       =   3060
   ClientWidth     =   3750
   LinkTopic       =   "Form1"
   PaletteMode     =   1  'UseZOrder
   ScaleHeight     =   1665
   ScaleWidth      =   3750
   StartUpPosition =   1  '所有者中心
   Begin VB.CommandButton Command2 
      Caption         =   "退出"
      Height          =   465
      Left            =   1890
      TabIndex        =   1
      Top             =   990
      Width           =   1380
   End
   Begin VB.CommandButton Command1 
      Caption         =   "清除历史菜单"
      Height          =   465
      Left            =   420
      TabIndex        =   0
      Top             =   990
      Width           =   1380
   End
   Begin MSComDlg.CommonDialog CommonDialog1 
      Left            =   2880
      Top             =   270
      _ExtentX        =   847
      _ExtentY        =   847
      _Version        =   393216
   End
   Begin VB.Menu mnuFile 
      Caption         =   "文件(&F)"
      Begin VB.Menu open 
         Caption         =   "打开文件"
      End
      Begin VB.Menu mnuFilelist 
         Caption         =   "-"
         Index           =   0
      End
      Begin VB.Menu line 
         Caption         =   "-"
      End
      Begin VB.Menu exit 
         Caption         =   "退出"
      End
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Private max_index As Integer
Dim myindex As Integer

Private Sub Form_Activate()
  Dim file As Long
  Dim mystring As String
  Dim s As String
  Dim strfilename As String
  strfilename = App.Path & "\cdxx.ini"
  file = FreeFile()
  On Error Resume Next
  Open strfilename For Input As #file   '打开文件菜单列表
       Do While Not EOF(file)
          Line Input #file, mystring
          If mystring <> "" Then
             max_index = max_index + 1
             Load mnuFilelist(max_index)
             mnuFilelist(max_index).Caption = mystring
             mnuFilelist(max_index).Visible = True
          End If
       Loop
  Close #file                           '关闭文件菜单列表
End Sub

Private Sub Form_Unload(Cancel As Integer)
  Dim FNum As Integer
  Dim strfilename As String
  Dim i As Integer
  
  FNum = FreeFile
  strfilename = App.Path & "\cdxx.ini"
  If Dir(strfilename) <> "" Then Kill strfilename
  Open strfilename For Output As #FNum
       For i = 1 To mnuFilelist.Count - 1
           Print #FNum, mnuFilelist(i).Caption
       Next
  Close #FNum
  Exit Sub
End Sub

Private Sub open_Click()   '打开文件菜单
  On Error Resume Next
  CommonDialog1.CancelError = True
  CommonDialog1.DialogTitle = "打开文件"
  CommonDialog1.FileName = ""
  CommonDialog1.Filter = "Executables(*.*)|*.*"
  CommonDialog1.FilterIndex = 1
  CommonDialog1.Flags = cdlOFNCreatePrompt + cdlOFNHideReadOnly
  CommonDialog1.ShowOpen
  max_index = mnuFilelist.Count
  Load mnuFilelist(max_index)
  mnuFilelist(max_index).Caption = CommonDialog1.FileName
  mnuFilelist(max_index).Visible = True
End Sub

Private Sub exit_Click()
  Dim FNum As Integer
  Dim strfilename As String
  Dim i As Integer
  
  FNum = FreeFile
  strfilename = App.Path & "\cdxx.ini"
  If Dir(strfilename) <> "" Then Kill strfilename
  Open strfilename For Output As #FNum
       For i = 1 To mnuFilelist.Count - 1
           Print #FNum, mnuFilelist(i).Caption
       Next
  Close #FNum
  End
End Sub

Private Sub Command1_Click()    '清除菜单历史信息
  Dim i As Integer
    For i = 1 To mnuFilelist.Count - 1
        Unload mnuFilelist(i)
    Next i
End Sub

Private Sub Command2_Click()
  Dim FNum As Integer
  Dim strfilename As String
  Dim i As Integer
  
  FNum = FreeFile
  strfilename = App.Path & "\cdxx.ini"
  If Dir(strfilename) <> "" Then Kill strfilename    '删除文件
  Open strfilename For Output As #FNum
       For i = 1 To mnuFilelist.Count - 1
           Print #FNum, mnuFilelist(i).Caption       '按打开文件的顺序写入文件
       Next
  Close #FNum
  End
End Sub