Imports System
Imports System.IO
Imports System.Text
Public Class Test
Public Shared Sub Main()
Dim filePath As String = "c:\temp\MyTest.txt"
Dim fs As FileStream
If File.Exists(filePath) = True Then
File.Delete(filePath)
End If
fs = File.Create(filePath)
Dim info As Byte() = New UTF8Encoding(True).GetBytes("This is some text in the file.")
fs.Write(info, 0, info.Length)
fs.Close()
fs = File.Open(filePath, FileMode.Open, FileAccess.Read)
Dim b(1024) As Byte
Dim temp As UTF8Encoding = New UTF8Encoding(True)
Do While fs.Read(b, 0, b.Length) > 0
Console.WriteLine(temp.GetString(b))
Loop
Try
fs.Write(b, 0, b.Length)
Catch e As Exception
Console.WriteLine("Writing was disallowed, as expected: " & e.ToString())
End Try
fs.Close()
End Sub
End Class