LogViewer.MainWindow.OnClear C# (CSharp) Method

        private void OnClear(object sender, RoutedEventArgs e)
        {
            ChartStack.ClearCharts();
            logs.Clear();
            ShowSchema();
            CategoryList.SelectedItem = null;
            allFlights.Clear();
            if (currentFlightLog != null)
            {
                currentFlightLog.Clear();
                logs.Add(currentFlightLog);
            }
            if (currentFlight != null)
            {
                currentFlight.Locations = new LocationCollection();
            }
            myMap.Children.Clear();
            ImageViewer.Source = null;
        }