public static void WriteToEventLogTest()
{
WindowsEventLog evt = null;
try
{
_msg.Length = 0;
_msg.Append("WriteToEventLogTest started ...\r\n");
Program._messageLog.WriteLine(_msg.ToString());
evt = new WindowsEventLog(WindowsEventLog.EventLogName.Application, ".", "PFApps");
evt.WriteEntry("Test message from testprog ... yes indeed!", WindowsEventLog.WindowsEventLogEntryType.Information);
}
catch (System.Exception ex)
{
_msg.Length = 0;
_msg.Append(AppGlobals.AppMessages.FormatErrorMessage(ex));
Program._messageLog.WriteLine(_msg.ToString());
AppMessages.DisplayErrorMessage(_msg.ToString(), _saveErrorMessagesToAppLog);
}
finally
{
_msg.Length = 0;
_msg.Append("\r\n... WriteToEventLogTest finished.");
Program._messageLog.WriteLine(_msg.ToString());
}
}
public void GivenWindowsEventLogAndDefaultEntryTypeShouldWriteEntry()
{
const string source = "source";
const string message = "message";
EventType eventType = new EventType();
LogAuthorFake logAuthorFake = new LogAuthorFake();
WindowsEventLog windowsEventLog = new WindowsEventLog(logAuthorFake);
windowsEventLog.WriteEntry(source, message, eventType);
logAuthorFake.LogEntries().Count.Should().Be(1);
logAuthorFake.LogEntries().First().Source().Should().Be(source);
logAuthorFake.LogEntries().First().Message().Should().Be(message);
logAuthorFake.LogEntries().First().EventType().Should().Be(eventType);
}
public void OutputMessagesToWindowsApplicationEventLog(string eventSourceName,
int numInformationMessagesToWrite,
int numWarningMessagesToWrite,
int numErrorMessagesToWrite)
{
WindowsEventLog eventLog = null;
try
{
if (WindowsEventLog.SourceExists(eventSourceName) == false)
{
WindowsEventLog.CreateEventSource(eventSourceName);
if (WindowsEventLog.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 WindowsEventLog(WindowsEventLog.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(), WindowsEventLog.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(), WindowsEventLog.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(), WindowsEventLog.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
{
;
}
}
