Легко:).
Но удаление похоже на удаление элемента из массива , вам нужно сделать копию всего массива, кроме элемента, который нужно удалить.
Есть пример, как «удалить каждый элемент из журнала, где элемент имеет четный индекс».
using System;
using System.Collections;
using System.Diagnostics;
using System.Threading;
class EventLogEntryCollection_Item
{
/// <summary>
/// Prints all.
/// </summary>
/// <param name="myEventLogEntryCollection">My event log entry collection.</param>
private static void PrintAll(EventLogEntryCollection myEventLogEntryCollection)
{
for (int i = 0; i < myEventLogEntryCollection.Count; i++)
{
Console.WriteLine("The Message of the EventLog is :"
+ myEventLogEntryCollection[i].Message);
}
}
/// <summary>
/// Creates the new log message.
/// </summary>
/// <param name="LogName">Name of the log.</param>
/// <param name="message">The message.</param>
private static void CreateNewLogMessage(string LogName, string message)
{
EventLog myEventLog = new EventLog();
myEventLog.Source = LogName;
myEventLog.WriteEntry(message);
myEventLog.Close();
}
/// <summary>
/// Mains this instance.
/// </summary>
public static void Main()
{
try
{
// Check if the source exists.
if (!EventLog.SourceExists("MySource"))
{
// Create the source.
// An event log source should not be created and immediately used.
// There is a latency time to enable the source, it should be created
// prior to executing the application that uses the source.
EventLog.CreateEventSource("MySource", "MySource");
Console.WriteLine("Creating EventSource");
Console.WriteLine("Exiting, execute the application a second time to use the source.");
Thread.Sleep(2000);
// The source is created. sleep to allow it to be registered.
}
string myLogName = EventLog.LogNameFromSourceName("MySource", ".");
// Create a new EventLog object.
EventLog myEventLog1 = new EventLog();
myEventLog1.Log = myLogName;
//Create test messages.
myEventLog1.Clear();
for (int i = 0; i < 20; i++)
{
CreateNewLogMessage("MySource", "The entry number is " + i);
}
// Obtain the Log Entries of "MyNewLog".
EventLogEntryCollection myEventLogEntryCollection =
myEventLog1.Entries;
//myEventLog1.Close();
Console.WriteLine("The number of entries in 'MyNewLog' = "
+ myEventLogEntryCollection.Count);
// Copy the EventLog entries to Array of type EventLogEntry.
EventLogEntry[] myEventLogEntryArray =
new EventLogEntry[myEventLogEntryCollection.Count];
myEventLogEntryCollection.CopyTo(myEventLogEntryArray, 0);
Console.WriteLine("before deleting");
// Display the 'Message' property of EventLogEntry.
PrintAll(myEventLogEntryCollection);
myEventLog1.Clear();
Console.WriteLine("process deleting");
foreach (EventLogEntry myEventLogEntry in myEventLogEntryArray)
{
//Console.WriteLine("The LocalTime the Event is generated is "
// + myEventLogEntry.TimeGenerated + " ; " + myEventLogEntry.Message);
if (myEventLogEntry.Index % 2 == 0)
{
CreateNewLogMessage("MySource", myEventLogEntry.Message);
}
}
Console.WriteLine("after deleting");
PrintAll(myEventLogEntryCollection);
myEventLog1.Close();
}
catch (Exception e)
{
Console.WriteLine("Exception:{0}", e.Message);
}
Console.ReadKey();
}
}