в 15:31, 26 мая 2010

2010-05-26T15:31:19Z

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2010-05-26T11:42:59Z

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==Check Event Source Existance and Create Event Source ==

<source lang="csharp">

using System;
using System.Diagnostics;
class MainClass {
public static void Main() {
if (!EventLog.SourceExists("C#")) {
EventLog.CreateEventSource("C#", "Application");
}
EventLog.WriteEntry(
"C#", // Registered event source
"A simple test event.", // Event entry message
EventLogEntryType.Information, // Event type
1, // Application-specific ID
0, // Application-specific category
new byte[] { 10, 55, 200 } // Event data
);
}
}

</source>

==Get first 5 message from system event log==

<source lang="csharp">
using System;
using System.Resources;
using System.Drawing;
using System.Collections;
using System.Windows.Forms;
using System.Resources;
using Microsoft.Win32;
// For event log.
using System.Diagnostics;
class Test
{
static void Main(string[] args)
{
EventLog log = new EventLog();
log.Log = "Application";
log.Source = "www.nfex.ru";
log.WriteEntry("message from my own exa,ple...");

// Display the first 5 entries in the Application log.
for(int i = 0; i < 5; i++)
{
Console.WriteLine("Message: " + log.Entries[i].Message + "\n" +
"Box: " + log.Entries[i].MachineName + "\n" +
"App: " + log.Entries[i].Source + "\n" +
"Time entered: " + log.Entries[i].TimeWritten,
"Application Log entry:");
}
log.Close();
}
}

</source>

==Removes the registration for an event source if it has been registered==

<source lang="csharp">
/*
C# Programming Tips & Techniques
by Charles Wright, Kris Jamsa
Publisher: Osborne/McGraw-Hill (December 28, 2001)
ISBN: 0072193794
*/
// RemSrc.cs -- Removes the registration for an event source if
// it has been registered.
//
// Compile this program with the following command line:
// C:>csc RemSrc.cs
using System;
using System.Diagnostics;
namespace nsEventLogs
{
public class RemSrc
{
static public void Main (string [] args)
{
if (args.Length == 0)
{
Console.WriteLine ("Please enter an event source to remove.");
Console.WriteLine ("Usage: RemSrc [source]");
return;
}
if (EventLog.SourceExists (args[0]))
{
Console.WriteLine ("Deleting event log source " + args[0]);
EventLog.DeleteEventSource (args[0]);
}
}
}
}

</source>

==Specify EventLogEntryType==

<source lang="csharp">

using System;
using System.Diagnostics;
class MainClass {
public static void Main() {
if (!EventLog.SourceExists("C#")) {
EventLog.CreateEventSource("C#", "Application");
}
EventLog.WriteEntry(
"C#", // Registered event source
"A simple test event.", // Event entry message
EventLogEntryType.Information, // Event type
1, // Application-specific ID
0, // Application-specific category
new byte[] { 10, 55, 200 } // Event data
);
}
}

</source>

==Write Message to system event log==

<source lang="csharp">
using System;
using System.Resources;
using System.Drawing;
using System.Collections;
using System.Windows.Forms;
using System.Resources;
using Microsoft.Win32;
// For event log.
using System.Diagnostics;
class Test
{
static void Main(string[] args)
{
EventLog log = new EventLog();
log.Log = "Application";
log.Source = "www.nfex.ru";
log.WriteEntry("message from my own exa,ple...");

// Display the first 5 entries in the Application log.
for(int i = 0; i < 5; i++)
{
Console.WriteLine("Message: " + log.Entries[i].Message + "\n" +
"Box: " + log.Entries[i].MachineName + "\n" +
"App: " + log.Entries[i].Source + "\n" +
"Time entered: " + log.Entries[i].TimeWritten,
"Application Log entry:");
}
log.Close();
}
}

</source>

==Write the Event Log Entry type as Information==

<source lang="csharp">

using System;
using System.Diagnostics;
class MainClass {
public static void Main() {
string source = "EventSource";
string log = "MainClass.LOG";
EventLog el = new EventLog();
if (!EventLog.SourceExists(source)) {
EventLog.CreateEventSource(source, log);
}
el.Source = source;
String message = "Starting Up";
el.WriteEntry(message, EventLogEntryType.Information);
message = "Processing";
el.WriteEntry(message, EventLogEntryType.Information);
message = "Shutting down";
el.WriteEntry(message, EventLogEntryType.Information);
el = new EventLog();
if (!EventLog.SourceExists(source)) {
Console.WriteLine("Event Log does not exist!");
return;
}
el.Source = source;
foreach (EventLogEntry entry in el.Entries) {
Console.WriteLine("\tEntry: " + entry.Message);
}
EventLog.Delete(log);
}
}

</source>

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в 15:31, 26 мая 2010

Admin: 1 версия