txtline_form.frm

Vb 读取文本数据

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   3120
   ClientLeft      =   60
   ClientTop       =   420
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3120
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.Timer Timer1 
      Interval        =   300
      Left            =   3240
      Top             =   2520
   End
   Begin VB.CommandButton Command2 
      Caption         =   "Command2"
      Height          =   375
      Left            =   2880
      TabIndex        =   2
      Top             =   1680
      Width           =   1575
   End
   Begin VB.CommandButton Command1 
      Caption         =   "Command1"
      Height          =   375
      Left            =   360
      TabIndex        =   0
      Top             =   1680
      Width           =   2175
   End
   Begin VB.Label Label1 
      Caption         =   "Label1"
      Height          =   495
      Left            =   960
      TabIndex        =   1
      Top             =   600
      Width           =   3615
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim i As Long
Dim ddd As String

Private Sub Command2_Click()
    Label1.Caption = ddd  ' 在text1中显示数据。
End Sub

Private Sub Timer1_Timer()
i = i + 1
Open "D:\\mapXvb\VB5Sample\\test.txt" For Input As #1

For x = 1 To i
On Error GoTo ov
Line Input #1, ddd

Next
Label1.Caption = ddd
ov:
Close #1
End Sub