char.frm

一个修改二进制文件的小程序,不过在打开大于1M的文件时耗时较长

VERSION 5.00
Begin VB.Form Form6 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "汉字转换器"
   ClientHeight    =   645
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   3420
   LinkTopic       =   "Form6"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   645
   ScaleWidth      =   3420
   StartUpPosition =   3  '窗口缺省
   Begin VB.TextBox Text1 
      Height          =   270
      Left            =   1080
      TabIndex        =   0
      Top             =   0
      Width           =   1335
   End
   Begin VB.CommandButton Command1 
      Caption         =   "转换"
      Enabled         =   0   'False
      Height          =   255
      Left            =   2520
      TabIndex        =   2
      Top             =   0
      Width           =   855
   End
   Begin VB.CommandButton Command2 
      Caption         =   "关闭"
      Height          =   255
      Left            =   2520
      TabIndex        =   3
      Top             =   360
      Width           =   855
   End
   Begin VB.TextBox Text2 
      Height          =   270
      Left            =   1080
      Locked          =   -1  'True
      TabIndex        =   1
      Top             =   345
      Width           =   1335
   End
   Begin VB.Label Label1 
      Caption         =   "十六进制数:"
      Height          =   255
      Left            =   0
      TabIndex        =   5
      Top             =   360
      Width           =   1215
   End
   Begin VB.Label Label2 
      Caption         =   "汉字:"
      Height          =   255
      Left            =   0
      TabIndex        =   4
      Top             =   0
      Width           =   975
   End
End
Attribute VB_Name = "Form6"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit

Private Sub Command1_Click()
Dim b() As Byte
Dim temp As String
Dim i As Long, Length As Long
temp = Text1
Open "C:\windows\temp\pctools1.dat" For Output As #1
Write #1, temp
Close #1
Open "C:\windows\temp\pctools1.dat" For Binary As #1
Length = LOF(1)
ReDim b(Length - 1)
Get #1, , b()
Close #1
Kill "C:\windows\temp\pctools1.dat"
temp = ""
For i = 1 To Length - 4
    temp = temp & st(b(i))
Next i
Text2 = temp
End Sub

Private Sub Command2_Click()
Me.Hide
End Sub

Private Sub Text1_Change()
If Text1 <> "" Then Command1.Enabled = True Else Command1.Enabled = False
End Sub