private void btPanel12_Click(object sender, RoutedEventArgs e)
        {
            var rootViewModel = this.GetRootViewModel();
            if (rootViewModel != null && rootViewModel.DataLoader != null
                && rootViewModel.PanelViewItems.Count > 11)
            {
                FlightAnalysisNavigationParameter parameter = new FlightAnalysisNavigationParameter()
                {
                    DataLoader = rootViewModel.DataLoader,
                    SelectedPanelID = rootViewModel.PanelViewItems[11].PanelID
                };

                this.Frame.Navigate(typeof(FlightAnalysis), parameter);
            }
        }
        public void Execute(object parameter)
        {
            FlightAnalysisNavigationParameter navParameter
                = new FlightAnalysisNavigationParameter() { SelectedPanelID = this.m_panelID };

            m_frame.Navigate(typeof(FlightAnalysis), navParameter);
        }