Fix of #10890 (crash when switching light/dark mode with Height Range…

… Modifier active)
prusa3d · Jul 24, 2023 · 52bc770 · 52bc770
1 parent e0f7263
commit 52bc770
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/slic3r/GUI/GUI_ObjectLayers.cpp b/src/slic3r/GUI/GUI_ObjectLayers.cpp
@@ -283,7 +283,7 @@ void ObjectLayers::sys_color_changed()
         if (item->IsSizer()) {// case when we have editor with buttons
             for (size_t btn : {2, 3}) { // del_btn, add_btn
                 wxSizerItem* b_item = item->GetSizer()->GetItem(btn);
-                if (b_item->IsWindow()) {
+                if (b_item && b_item->IsWindow()) {
                     auto button = dynamic_cast<PlusMinusButton*>(b_item->GetWindow());
                     if (button != nullptr)
                         button->sys_color_changed();