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Dilshod K
Dilshod K

Reputation: 3032

How to replace event id with enum?

I have class that inherits from EventSource:

[EventSource(Name = "MyEventSource")]
public sealed class ExceptionHundler : EventSource
{
    public static ExceptionHundler Log = new ExceptionHundler();
    [NonEvent]
    public void WriteLog(Exception exception)
    {
        UnhandledException(exception.Message);
    }

    [Event(601, Channel = EventChannel.Admin, Message = "Unhandled exception occurred. Details: {0}", Keywords = EventKeywords.None, Level = EventLevel.Critical)]
    private void UnhandledException(string exceptionMsg)
    {
        WriteEvent(601, exceptionMsg, Environment.MachineName);
    }
}

As you see I'm setting event Id in attribute Event (its 601). Now I want to create enum and use it instead of event Id like :

 enum EventType
{
    AppCrashed
}

And Event attribute:

 [Event(EventType.AppCrashed, Channel = EventChannel.Admin, Message = "Unhandled exception occurred. Details: {0}", Keywords = EventKeywords.None, Level = EventLevel.Critical)]

Is there any way to do this?

Upvotes: 1

Views: 392

Answers (2)

Streamline
Streamline

Reputation: 982

You could use a static class with public constants:

public static class EventType
{
    public const int AppCrashed = 601;
}

Not exactly the enum solution you want but you stated you don't want to cast the enum value every time. Usage would be more or less the same:

[Event(EventType.AppCrashed, Channel = EventChannel.Admin, Message = "Unhandled exception occurred. Details: {0}", Keywords = EventKeywords.None, Level = EventLevel.Critical)]
private void UnhandledException(string exceptionMsg)
{
    WriteEvent(EventType.AppCrashed, exceptionMsg, Environment.MachineName);
}

Upvotes: 1

Anu Viswan
Anu Viswan

Reputation: 18155

Following should work 

[Event((int)EventType.AppCrashed, Channel = EventChannel.Admin, Message = "Unhandled exception occurred. Details: {0}", Keywords = EventKeywords.None, Level = EventLevel.Critical)]
private void UnhandledException(string exceptionMsg)
{
  WriteEvent(601, exceptionMsg, Environment.MachineName);
}

Do not forget to assign Enum Values during declaration.

enum EventType
{
 AppCrashed = 601
}

Upvotes: 1

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