From b2b3cdc650f6da692c513c397f557fc55bbb277e Mon Sep 17 00:00:00 2001
From: KatKatKateryna <89912278+KatKatKateryna@users.noreply.github.com>
Date: Wed, 29 May 2024 20:25:48 +0800
Subject: [PATCH] prevent ArcGIS crash on open (#3445)

prevent ArcGIS crash on open (if project contained layers with non-existent data sources)
---
 .../Bindings/ArcGISSendBinding.cs                  | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/DUI3-DX/Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Bindings/ArcGISSendBinding.cs b/DUI3-DX/Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Bindings/ArcGISSendBinding.cs
index 537acd8f5c..c5db590209 100644
--- a/DUI3-DX/Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Bindings/ArcGISSendBinding.cs
+++ b/DUI3-DX/Connectors/ArcGIS/Speckle.Connectors.ArcGIS3/Bindings/ArcGISSendBinding.cs
@@ -104,8 +104,11 @@ private void SubscribeToFeatureLayerDataSourceChange(FeatureLayer layer)
       return;
     }
     Table layerTable = layer.GetTable();
-    SubscribeToAnyDataSourceChange(layerTable);
-    SubscribedLayers.Add(layer);
+    if (layerTable != null)
+    {
+      SubscribeToAnyDataSourceChange(layerTable);
+      SubscribedLayers.Add(layer);
+    }
   }
 
   private void SubscribeToTableDataSourceChange(StandaloneTable table)
@@ -115,8 +118,11 @@ private void SubscribeToTableDataSourceChange(StandaloneTable table)
       return;
     }
     Table layerTable = table.GetTable();
-    SubscribeToAnyDataSourceChange(layerTable);
-    SubscribedTables.Add(table);
+    if (layerTable != null)
+    {
+      SubscribeToAnyDataSourceChange(layerTable);
+      SubscribedTables.Add(table);
+    }
   }
 
   private void SubscribeToAnyDataSourceChange(Table layerTable)