Fix issue with Geodatabase transactions sample when navigating away (#…

…1283)
Esri · Aug 14, 2023 · d56c402 · d56c402
1 parent f1bb440
commit d56c402
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/src/WPF/WPF.Viewer/Samples/Data/GeodatabaseTransactions/GeodatabaseTransactions.xaml.cs b/src/WPF/WPF.Viewer/Samples/Data/GeodatabaseTransactions/GeodatabaseTransactions.xaml.cs
@@ -158,7 +158,7 @@ private async Task LoadLocalGeodatabaseTables()
 
  // Create a new feature layer to show the table in the map.
  FeatureLayer layer = new FeatureLayer(table);
- Dispatcher.Invoke(() => MyMapView.Map.OperationalLayers.Add(layer));
+ Dispatcher.Invoke(() => MyMapView.Map?.OperationalLayers.Add(layer));
  }
  catch (Exception e)
  {

diff --git a/.../ArcGIS.WinUI.Viewer/Samples/Data/GeodatabaseTransactions/GeodatabaseTransactions.xaml.cs b/.../ArcGIS.WinUI.Viewer/Samples/Data/GeodatabaseTransactions/GeodatabaseTransactions.xaml.cs
@@ -166,7 +166,7 @@ private async Task LoadLocalGeodatabaseTables()
 
  // Create a new feature layer to show the table in the map.
  FeatureLayer layer = new FeatureLayer(table);
- DispatcherQueue.TryEnqueue(Microsoft.UI.Dispatching.DispatcherQueuePriority.Normal, () => MyMapView.Map.OperationalLayers.Add(layer));
+ DispatcherQueue.TryEnqueue(Microsoft.UI.Dispatching.DispatcherQueuePriority.Normal, () => MyMapView.Map?.OperationalLayers.Add(layer));
  }
  catch (Exception e)
  {