Sets the time (in ms) that should elapse before a tooltip will be shown,
     * in the situation when a tooltip has very recently been shown (within
     * {@link #getQuickOpenDelay()} ms).
Sets the time (in ms) that should elapse before a tooltip will be shown,
     * in the situation when a tooltip has very recently been shown (within
     * {@link #getQuickOpenDelay()} ms). | VTooltip.java