Merge pull request #1888 from Hosch250/Issue1852

Prevent crash when navigating to a missing code module

Author: Hosch250

RetailCoder.VBE/App.cs

@@ -230,6 +230,7 @@ async void sink_ProjectRemoved(object sender, DispatcherEventArgs<VBProject> e)
             _componentsEventsSinks.Remove(projectId);
             _referencesEventsSinks.Remove(projectId);
             _parser.State.RemoveProject(e.Item);
+            _parser.State.OnParseRequested(this);
 
             _logger.Debug("Project '{0}' was removed.", e.Item.Name);
             Tuple<IConnectionPoint, int> componentsTuple;

RetailCoder.VBE/UI/Command/NavigateCommand.cs

@@ -19,11 +19,11 @@ public override void Execute(object parameter)
                 return;
             }
 
-            var pane = param.QualifiedName.Component.CodeModule.CodePane;
-            var selection = param.Selection;
-
             try
             {
+                var pane = param.QualifiedName.Component.CodeModule.CodePane;
+                var selection = param.Selection;
+
                 pane.SetSelection(selection.StartLine, selection.StartColumn, selection.EndLine, selection.EndColumn);
                 pane.ForceFocus();
             }