Method removeItemChildAt

MyGUIEngine/src/MyGUI_MenuControl.cpp:203–214

	}

	void MenuControl::removeItemChildAt(size_t _index)
	{
		MYGUI_ASSERT_RANGE(_index, mItemsInfo.size(), "MenuControl::removeItemChildAt");

		if (mItemsInfo[_index].submenu != nullptr)
		{
			WidgetManager::getInstance().destroyWidget(mItemsInfo[_index].submenu);
			mItemsInfo[_index].submenu = nullptr;
		}

		update();
	}

	void MenuControl::setItemNameAt(size_t _index, const UString& _name)
	{