+ When adding new commands to custom toolbar set user data if required in order to move them up/down

src/Gui/DlgToolbarsImp.cpp

@@ -735,7 +735,14 @@ void DlgCustomToolbarsImp::addCustomCommand(const QString& name, const QByteArra
         }
         else {
             CommandManager& mgr = Application::Instance->commandManager();
-            mgr.addTo(cmd, bars.front());
+            if (mgr.addTo(cmd, bars.front())) {
+                QAction* action = action = bars.front()->actions().last();
+                // See ToolBarManager::setup(ToolBarItem* , QToolBar* )
+                // We have to add the user data in order to identify the command in
+                // removeCustomCommand(), moveUpCustomCommand() or moveDownCustomCommand()
+                if (action && action->data().isNull())
+                    action->setData(cmd);
+            }
         }
     }
 }