Method ChangeTab

src/openrct2-ui/scripting/CustomWindow.cpp:748–764

        }

        void ChangeTab(size_t tabIndex)
        {
            if (page == static_cast<int16_t>(tabIndex) && !widgets.empty())
                return;

            page = static_cast<int16_t>(tabIndex);
            currentFrame = 0;
            RefreshWidgets();

            invalidate();
            onResize();
            onPrepareDraw();
            WindowInitScrollWidgets(*this);
            invalidate();

            InvokeEventHandler(_info.Owner, _info.Desc.OnTabChange);
        }

        const CustomWindowInfo& getInfo() const
        {