void MapControl_SelectionChanged(object sender, MapSelectionChangedEventArgs e) { Sales.MapItem salesItem = ItemsLayer.SelectedItem as Sales.MapItem; if (salesItem == null) { return; } if (updateChartActionCore != null) { updateChartActionCore(salesItem); } }
void UpdateChart(Sales.MapItem salesItem) { chart.DataSource = ViewModel.GetSalesByCity(salesItem.City, ViewModel.Period).ToList(); }