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Imports System
Imports System.IO
public class LogTest
public Shared Sub Main
MyLog.Log("Started Up", "C:\test.txt")
MyLog.Log(String.Format("DisplayName called, {0} {1} output","B", "A"), "C:\test.txt")
End Sub
End class
Public Class MyLog
Const DefaultLogFile As String = "C:\LogFile.txt"
Shared Sub Log(ByVal Message As String,ByVal FileName As String)
Dim objLogFile As StreamWriter
If IO.File.Exists(FileName) Then
objLogFile = File.AppendText(FileName)
ElseIf Directory.Exists (Path.GetDirectoryName(FileName)) Then
objLogFile = File.CreateText(FileName)
Else
objLogFile = File.AppendText(DefaultLogFile)
End If
objLogFile.WriteLine(Message)
objLogFile.Flush()
objLogFile.Close()
End Sub
End Class
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