public List <WindowsLog> GetWindowsLogs()
{
List <WindowsLog> windowsLogs = new List <WindowsLog>();
try
{
var logs = EventLog.GetEventLogs();
foreach (var log in logs)
{
WindowsLog windowsLog = new WindowsLog();
windowsLog.Entries = this.MapSystemEventLogEntries(log.Entries);
windowsLog.LogName = log.Log;
windowsLog.LogDisplayName = log.LogDisplayName;
windowsLog.MaximumKilobytes = new UnitLongValue()
{
Unit = Unit.KB, Value = log.MaximumKilobytes
};
windowsLog.MinimumRetentionDays = new UnitIntValue()
{
Unit = Unit.Days, Value = log.MinimumRetentionDays
};
windowsLogs.Add(windowsLog);
}
}
catch (Exception ex)
{
this.Logger.LogError(ex.Message, ex);
}
return(windowsLogs);
}
public void DeleteEventSource(string eventSourceName)
{
try
{
if (WindowsLog.SourceExists(eventSourceName))
{
WindowsLog.DeleteEventSource(eventSourceName);
if (WindowsLog.SourceExists(eventSourceName) == false)
{
_msg.Length = 0;
_msg.Append("Event Source ");
_msg.Append(eventSourceName);
_msg.Append(" delete succeeded.");
WriteMessageToLog(_msg.ToString());
}
else
{
_msg.Length = 0;
_msg.Append("Event Source ");
_msg.Append(eventSourceName);
_msg.Append(" delete failed.");
WriteMessageToLog(_msg.ToString());
}
}
else
{
_msg.Length = 0;
_msg.Append("Event Source ");
_msg.Append(eventSourceName);
_msg.Append(" not found. No delete needed.");
WriteMessageToLog(_msg.ToString());
}
}
catch (System.Exception ex)
{
_msg.Length = 0;
_msg.Append(AppGlobals.AppMessages.FormatErrorMessage(ex));
_msg.Append(Environment.NewLine);
_msg.Append("Caller must have elevated security permissions (e.g. use Run As Administrator) to create and delete event sources and event logs.");
WriteMessageToLog(_msg.ToString());
AppMessages.DisplayErrorMessage(_msg.ToString(), true);
}
finally
{
;
}
}
public void OutputMessagesToWindowsApplicationEventLog(string eventSourceName,
int numInformationMessagesToWrite,
int numWarningMessagesToWrite,
int numErrorMessagesToWrite)
{
WindowsLog eventLog = null;
try
{
if (WindowsLog.SourceExists(eventSourceName) == false)
{
WindowsLog.CreateEventSource(eventSourceName);
if (WindowsLog.SourceExists(eventSourceName))
{
_msg.Length = 0;
_msg.Append("Event Source ");
_msg.Append(eventSourceName);
_msg.Append(" create succeeded.");
WriteMessageToLog(_msg.ToString());
}
else
{
_msg.Length = 0;
_msg.Append("Event Source ");
_msg.Append(eventSourceName);
_msg.Append(" create failed.");
WriteMessageToLog(_msg.ToString());
}
}
else
{
_msg.Length = 0;
_msg.Append("Event Source ");
_msg.Append(eventSourceName);
_msg.Append(" exists.");
WriteMessageToLog(_msg.ToString());
}
eventLog = new WindowsLog(WindowsLog.EventLogName.Application, ".", eventSourceName);
for (int i = 1; i <= numInformationMessagesToWrite; i++)
{
_msg.Length = 0;
_msg.Append("Message ");
_msg.Append(i.ToString());
_msg.Append(" from test program.");
eventLog.WriteEntry(_msg.ToString(), WindowsLog.WindowsEventLogEntryType.Information);
}
for (int i = 1; i <= numWarningMessagesToWrite; i++)
{
_msg.Length = 0;
_msg.Append("Warning message ");
_msg.Append(i.ToString());
_msg.Append(" from test program.");
eventLog.WriteEntry(_msg.ToString(), WindowsLog.WindowsEventLogEntryType.Warning);
}
for (int i = 1; i <= numErrorMessagesToWrite; i++)
{
_msg.Length = 0;
_msg.Append("Error message ");
_msg.Append(i.ToString());
_msg.Append(" from test program.");
eventLog.WriteEntry(_msg.ToString(), WindowsLog.WindowsEventLogEntryType.Error);
}
_msg.Length = 0;
_msg.Append("Number of event log messages written = ");
_msg.Append((numInformationMessagesToWrite + numWarningMessagesToWrite + numErrorMessagesToWrite).ToString("#,##0"));
WriteMessageToLog(_msg.ToString());
}
catch (System.Exception ex)
{
_msg.Length = 0;
_msg.Append(AppGlobals.AppMessages.FormatErrorMessage(ex));
_msg.Append(Environment.NewLine);
_msg.Append("Caller must have elevated security permissions (e.g. use Run As Administrator) to create and delete event sources and event logs.");
WriteMessageToLog(_msg.ToString());
AppMessages.DisplayErrorMessage(_msg.ToString(), true);
}
finally
{
;
}
}
