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demonstrates post-deployment tracing









    

/*
Mastering Visual C# .NET
by Jason Price, Mike Gunderloy

Publisher: Sybex;
ISBN: 0782129110
*/

#define TRACE

/*
  Example21_13.cs demonstrates post-deployment tracing
*/

using System;
using System.Globalization;
using System.Diagnostics;

public class Example21_13 
{

  public static void Main() 
  {
    // Set up a switch to turn tracing on
    BooleanSwitch bsEnableTrace = new BooleanSwitch("TraceOutput", 
      "Turn on tracing");

    // Set up a TraceListener to a file
    TextWriterTraceListener tl = new TextWriterTraceListener("Example21_13.txt");
    Trace.Listeners.Add(tl);
    // And a second TraceListener to the event log
    EventLogTraceListener t2 = new EventLogTraceListener("Application");
    Trace.Listeners.Add(t2);

    Trace.WriteLineIf(bsEnableTrace.Enabled,"Starting Main()");
    // create a date and a currency value
    DateTime dtNow = DateTime.Now;
    Double curOriginal = 12345.67;

    // and format the variables for a specific culture
    CultureInfo ci = new CultureInfo("en-US");
    string sLocalizedDate = dtNow.ToString("d", ci);
    string sLocalizedCur = curOriginal.ToString("c", ci);
    if (bsEnableTrace.Enabled) 
    {
      Trace.Assert(sLocalizedDate != null, "Localized date has no content");
    }

    // print them out
    Console.WriteLine(sLocalizedDate);
    Console.WriteLine(sLocalizedCur);

    Trace.WriteLineIf(bsEnableTrace.Enabled, "Exiting Main()");
    Trace.Flush();
    Trace.Close();
  }

}




           
       
    
   
  
   







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