Method InvalidateByCondition

src/openrct2-ui/WindowManager.cpp:1236–1244

     */
    template<typename TPred>
    static void InvalidateByCondition(TPred pred)
    {
        WindowVisitEach([pred](WindowBase* w) {
            if (pred(w))
            {
                w->invalidate();
            }
        });
    }

    /**
     * Invalidates all windows with the specified window class.