Imports System
Imports System.Collections.ObjectModel
Imports System.IO
Public Class MainClass
Shared Sub Main()
' Get an available file number.
Dim file_num As Integer = FreeFile()
' Open the file.
Dim file_name As String = "test.txt"
FileOpen(file_num, file_name, _
OpenMode.Input, OpenAccess.Read, OpenShare.Shared)
' Read the file's lines.
Do While Not EOF(file_num)
' Read a line.
Dim txt As String = LineInput(file_num)
Console.WriteLine(txt)
Loop
' Close the file.
FileClose(file_num)
End Sub
End Class