fix

joezearing · Mar 22, 2021 · 78b4395 · 78b4395
1 parent 0d4380a
commit 78b4395
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/Blazor.Diagrams/Components/LinkWidget.razor.cs b/src/Blazor.Diagrams/Components/LinkWidget.razor.cs
@@ -73,6 +73,9 @@ private LinkVertexModel CreateVertex(double clientX, double clientY, int index)
 
         private Point GetPortPositionBasedOnAlignment(PortModel port, LinkMarker marker)
         {
+            if (port == null)
+                return null;
+
             if (marker == null)
                 return port.MiddlePosition;