From e9b999815f5b6914bffe8c5512ab768efa38e925 Mon Sep 17 00:00:00 2001
From: AlexanderZemlyak <zemlyaksanya@mail.ru>
Date: Wed, 18 Feb 2026 10:49:44 +0300
Subject: [PATCH] Add null check of CurrentFileDocument in WindowOperations

---
 VisualPascalABCNET/Workbench/WindowOperations.cs      | 4 +++-
 VisualPascalABCNETLinux/Workbench/WindowOperations.cs | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/VisualPascalABCNET/Workbench/WindowOperations.cs b/VisualPascalABCNET/Workbench/WindowOperations.cs
index f2bc6d1bc..17d8ac9be 100644
--- a/VisualPascalABCNET/Workbench/WindowOperations.cs
+++ b/VisualPascalABCNET/Workbench/WindowOperations.cs
@@ -399,7 +399,9 @@ namespace VisualPascalABC
                 SetFocusToEditor();
             }
 
-            CodeCompletion.CodeCompletionController.SetLanguage(CurrentCodeFileDocument.FileName);
+            // В Linux версии это в начале работы
+            if (CurrentCodeFileDocument != null)
+                CodeCompletion.CodeCompletionController.SetLanguage(CurrentCodeFileDocument.FileName);
 
             bool intellisenseAvailable = CodeCompletion.CodeCompletionController.IntellisenseAvailable();
 
diff --git a/VisualPascalABCNETLinux/Workbench/WindowOperations.cs b/VisualPascalABCNETLinux/Workbench/WindowOperations.cs
index af0a89738..2fef14008 100644
--- a/VisualPascalABCNETLinux/Workbench/WindowOperations.cs
+++ b/VisualPascalABCNETLinux/Workbench/WindowOperations.cs
@@ -411,7 +411,9 @@ namespace VisualPascalABC
                 SetFocusToEditor();
             }
 
-            CodeCompletion.CodeCompletionController.SetLanguage(CurrentCodeFileDocument.FileName);
+            // В Linux версии это в начале работы
+            if (CurrentCodeFileDocument != null)
+                CodeCompletion.CodeCompletionController.SetLanguage(CurrentCodeFileDocument.FileName);
 
             bool intellisenseAvailable = CodeCompletion.CodeCompletionController.IntellisenseAvailable();