public BugReportPresentationModel(IEventAggregator eventAggregator,
            IDataProvider provider, IBugReportView view)
        {
            this.View = view;
              this.View.Model = this;

              var evt = eventAggregator.GetEvent<QueryParamsChangedEvent>();
              evt.Subscribe(OnQueryParamsChanged);

              m_provider = provider;
        }
        public BugReportPresentationModel(IEventAggregator eventAggregator,
                                          IDataProvider provider, IBugReportView view)
        {
            this.View       = view;
            this.View.Model = this;

            var evt = eventAggregator.GetEvent <QueryParamsChangedEvent>();

            evt.Subscribe(OnQueryParamsChanged);

            m_provider = provider;
        }