From b48572cecc521258d59b2f2ca944bcad8259b535 Mon Sep 17 00:00:00 2001
From: anthark <anthark@yandex.ru>
Date: Sun, 8 Dec 2024 17:15:33 +0300
Subject: [PATCH] Fix crash on start-up of MinimalAppSample

---
 .../src/platform/windows/windows_window_manager_impl.cpp   | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/engine/core/modules/platform_app/src/platform/windows/windows_window_manager_impl.cpp b/engine/core/modules/platform_app/src/platform/windows/windows_window_manager_impl.cpp
index b536b4e6..edf5f2a9 100644
--- a/engine/core/modules/platform_app/src/platform/windows/windows_window_manager_impl.cpp
+++ b/engine/core/modules/platform_app/src/platform/windows/windows_window_manager_impl.cpp
@@ -289,8 +289,11 @@ namespace nau
             int height = HIWORD(lParam);
 
             auto* const coreGraphics = getServiceProvider().find<ICoreGraphics>();
-            auto task = coreGraphics->requestViewportResize(width, height, hWnd);
-            task.detach();
+            if (coreGraphics)
+            {
+                auto task = coreGraphics->requestViewportResize(width, height, hWnd);
+                task.detach();
+            }
         }
         else if (message == WM_DESTROY)
         {