Question

How to append lines to a text file using StreamWriter in VB.NET

Answer 1

Imports System.IO

Module Module1

    Sub Main()

        Using writer As StreamWriter = New StreamWriter("d:\\file_append.txt", True)
            writer.WriteLine("First line")
        End Using

        Using writer As StreamWriter = New StreamWriter("d:\\file_append.txt", True)
            writer.WriteLine("Second line")
        End Using

        Using writer As StreamWriter = New StreamWriter("d:\\file_append.txt", True)
            writer.WriteLine("Third line")
        End Using

    End Sub


    ' first run:
    ' 
    ' First line
    ' Second line
    ' Third line

    ' second run:

    ' First line
    ' Second line
    ' Third line
    ' First line
    ' Second line
    ' Third line

End Module

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