Avoid throwing manifest load errors on try upgrade

bonsai-rx · Nov 14, 2022 · e6b06e9 · e6b06e9
1 parent 4c2c39d
commit e6b06e9
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/Bonsai.Editor/GraphModel/UpgradeHelper.cs b/Bonsai.Editor/GraphModel/UpgradeHelper.cs
@@ -78,7 +78,10 @@ static Stream GetWorkflowStream(string path)
 
         internal static bool TryUpgradeWorkflow(ExpressionBuilderGraph workflow, string fileName, out ExpressionBuilderGraph upgradedWorkflow)
         {
-            var workflowStream = GetWorkflowStream(fileName);
+            Stream workflowStream;
+            try { workflowStream = GetWorkflowStream(fileName); }
+            catch (SystemException) { workflowStream = null; }
+
             if (workflowStream != null)
             {
                 using var reader = XmlReader.Create(workflowStream);