msgfromtraceevent-raygun.cs

protected virtual MessageContext MessageFromTraceEvent(TraceEventCache eventCache, string source, TraceEventType eventType, int id, string message, params object[] args)
{
  var context = new MessageContext(new Exception(message), new List<string>(), new Dictionary<object, object>());

  if (args != null)
  {
    var localArgs = args.ToList();
    // check the args for custom data
    var custom = localArgs.FirstOrDefault(a => a is IDictionary);
    if (custom != null)
    {
    	context.Data = (IDictionary) custom;
    	localArgs.Remove(custom);
    }
  
    // check the args for tags
    var tags = localArgs.FirstOrDefault(a => a is IList<string>);
    if (tags != null)
    {
    	context.Tags.AddRange((IList<string>) tags);
    	localArgs.Remove(tags);
    }
  
    // check the args for a custom exception
    var error = localArgs.FirstOrDefault(a => a is Exception);
    if (error != null)
    {
    	context.Exception = new Exception(message, (Exception) error);
    	localArgs.Remove(error);
    }
  
    // add the rest
    var count = 0;
    foreach (var leftover in localArgs)
  	  context.Data.Add(String.Format("arg-{0}", count++), leftover);
  }

  return context;
}