public virtual void Visit(InterfaceVisitor.LogEntry logEntry)
 {
 }
 public override void Visit(InterfaceVisitor.ExceptionLogEntry exceptionLogEntry)
 {
     //parent.SaveException(exceptionLogEntry);
 }
 public virtual void Visit(InterfaceVisitor.ExceptionLogEntry exceptionLogEntry)
 {
 }
 public void SaveLogEntry(InterfaceVisitor.LogEntry logEntry)
 {
     logEntry.Accept(new ExceptionLogEntryVisitor(this));
 }