Open and Append to a Log File : Text File Write « File Directory « VB.Net

1. VB.Net
2. File Directory
3. Text File Write

Open and Append to a Log File

 

Imports System
Imports System.IO

Class DirAppend
    Public Shared Sub Main()
        Using w As StreamWriter = File.AppendText("log.txt")
            Log("Test1", w)
            w.Close()
        End Using
        Using r As StreamReader = File.OpenText("log.txt")
            DumpLog(r)
        End Using
    End Sub

    Public Shared Sub Log(logMessage As String, w As TextWriter)
        w.WriteLine(logMessage)
        w.Flush()
    End Sub
    Public Shared Sub DumpLog(r As StreamReader)
        Dim line As String
        line = r.ReadLine()
        While Not (line Is Nothing)
            Console.WriteLine(line)
            line = r.ReadLine()
        End While
        r.Close()
    End Sub
End Class

   
  

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