Fix MainWindow error

Author: Hexer10

UI/Components/EditorElement.xaml.cs

@@ -635,57 +635,56 @@ private void Caret_PositionChanged(object sender, EventArgs e)
             bracketHighlightRenderer.SetHighlight(result);
 
 
-            if (Program.OptionsObject.Program_DynamicISAC)
-            {
-                var ee = Program.MainWindow.GetAllEditorElements();
-                var ce = Program.MainWindow.GetCurrentEditorElement();
+            if (!Program.OptionsObject.Program_DynamicISAC || Program.MainWindow == null) return;
+
+            var ee = Program.MainWindow.GetAllEditorElements();
+            var ce = Program.MainWindow.GetCurrentEditorElement();
 
-                var caret = -1;
+            var caret = -1;
 
-                if (ee != null)
+            if (ee != null)
+            {
+                var definitions = new SMDefinition[ee.Length];
+                List<SMFunction> currentFunctions = null;
+                for (var i = 0; i < ee.Length; ++i)
                 {
-                    var definitions = new SMDefinition[ee.Length];
-                    List<SMFunction> currentFunctions = null;
-                    for (var i = 0; i < ee.Length; ++i)
-                    {
-                        var el = ee[i];
-                        var fInfo = new FileInfo(el.FullFilePath);
-                        var text = el.editor.Document.Text;
-                        if (fInfo.Extension.Trim('.').ToLowerInvariant() == "inc")
-                            definitions[i] =
-                                new Condenser(text
-                                    , fInfo.Name).Condense();
+                    var el = ee[i];
+                    var fInfo = new FileInfo(el.FullFilePath);
+                    var text = el.editor.Document.Text;
+                    if (fInfo.Extension.Trim('.').ToLowerInvariant() == "inc")
+                        definitions[i] =
+                            new Condenser(text
+                                , fInfo.Name).Condense();
 
-                        if (fInfo.Extension.Trim('.').ToLowerInvariant() == "sp")
+                    if (fInfo.Extension.Trim('.').ToLowerInvariant() == "sp")
+                    {
+                        if (el.IsLoaded)
                         {
-                            if (el.IsLoaded)
-                            {
-                                caret = el.editor.CaretOffset;
-                                definitions[i] =
-                                    new Condenser(text, fInfo.Name)
-                                        .Condense();
-                                currentFunctions = definitions[i].Functions;
-                            }
+                            caret = el.editor.CaretOffset;
+                            definitions[i] =
+                                new Condenser(text, fInfo.Name)
+                                    .Condense();
+                            currentFunctions = definitions[i].Functions;
                         }
                     }
+                }
 
-                    var smDef = Program.Configs[Program.SelectedConfig].GetSMDef()
-                        .ProduceTemporaryExpandedDefinition(definitions, caret, currentFunctions);
-                    var smFunctions = smDef.Functions.ToArray();
-                    var acNodes = smDef.ProduceACNodes();
-                    var isNodes = smDef.ProduceISNodes();
+                var smDef = Program.Configs[Program.SelectedConfig].GetSMDef()
+                    .ProduceTemporaryExpandedDefinition(definitions, caret, currentFunctions);
+                var smFunctions = smDef.Functions.ToArray();
+                var acNodes = smDef.ProduceACNodes();
+                var isNodes = smDef.ProduceISNodes();
 
-                    foreach (var el in ee)
+                foreach (var el in ee)
+                {
+                    if (el == ce)
                     {
-                        if (el == ce)
-                        {
-                            Debug.Assert(ce != null, nameof(ce) + " != null");
-                            if (ce.ISAC_Open) continue;
-                        }
-
-                        el.InterruptLoadAutoCompletes(smDef.FunctionStrings, smFunctions, acNodes,
-                            isNodes, smDef.Methodmaps.ToArray(), smDef.Variables.ToArray());
+                        Debug.Assert(ce != null, nameof(ce) + " != null");
+                        if (ce.ISAC_Open) continue;
                     }
+
+                    el.InterruptLoadAutoCompletes(smDef.FunctionStrings, smFunctions, acNodes,
+                        isNodes, smDef.Methodmaps.ToArray(), smDef.Variables.ToArray());
                 }
             }
         }