by G. M. Faggiano (2 Submissions)
Category: Files/File Controls/Input/Output
Compatability: Visual Basic 3.0
Difficulty: Unknown Difficulty
Date Added: Wed 3rd February 2021
Rating: 
(2 Votes)
This code demonstrate a simple procedure for reading and writing to and from a text file. Level: Beginners
VBcoders' Example
' Write and read from a text file
' for beginners
'
' Note: this type of read/write will
' only allow for one line to be
' writen or read from a file.
' A seperate file must be used in
' each instance using this method.
' This is not the best method, but
' probably the easiest.
' ===============================
'
' Author: G. M. Faggiano
' Faggiano Internet Business Development
' http://fibdev.com
' [email protected]
' ======================================
'
' Step 1,
' Create a new project and save it or open
' an existing project
' Step 2,
' Put a textbox object on form1
' Step 3,
' place two command buttons, command1 and
' command2
' Step 4,
' In the project directory create a text file
' and name it test.txt
' General Declarations
' Variable to hold the location
' of the text file
Dim txtPath As String
' Variable to hold the text to
' be writen to the text file
Dim txtOut As String
' Variable to hold the text
' to be read from the text file
Dim txtIn As String
Private Sub Command1_Click()
' Set variable to hold the location
' of the text file
txtPath = App.Path & "\test.txt"
' error handle file location
If InStr(thefile, "\\") Then _
thefile = App.Path & "test.txt"
' set variable as the contence of the
' text box
txtOut = Text1.Text
' open the text file to be
' writen to
Open txtPath For Output As #1
' write the contence of the variable to
' the text file
Print #1, txtOut
' close the text file
Close #1
' clear the text box
Text1.Text = ""
End Sub
Private Sub Command2_Click()
' Set variable to hold the location
' of the text file
txtPath = App.Path & "\test.txt"
' error handle the variable
If InStr(thefile, "\\") Then _
thefile = App.Path & "test.txt"
' open the text file to be read from
Open txtPath For Input As #1
' set the input variable to the contence
' of the text file
Input #1, txtIn
' set the text box text to the variable
Text1.Text = txtIn
' close the file
Close #1
End Sub
