FileStream Class Exposes a Stream around a file

 

Imports System
Imports System.IO
Imports System.Text

Public Class Test

    Public Shared Sub Main()
        Dim path As String = "c:\temp\MyTest.txt"
        Dim fs As FileStream = File.Create(path)

        AddText(fs, "This is some text")
        AddText(fs, "test:" & Environment.NewLine)

        fs.Close()

        fs = File.OpenRead(path)
        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

        fs.Close()
    End Sub

    Private Shared Sub AddText(ByVal fs As FileStream, ByVal value As String)
        Dim info As Byte() = New UTF8Encoding(True).GetBytes(value)
        fs.Write(info, 0, info.Length)
    End Sub
End Class

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FileStream Class Exposes a Stream around a file : StringBuilder « Language Basics « VB.Net

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