下面列出了怎么用javax.swing.plaf.basic.DefaultMenuLayout的API类实例代码及写法,或者点击链接到github查看源代码。
public void installDefaults() {
if (popupMenu.getLayout() == null || popupMenu.getLayout() instanceof UIResource) {
popupMenu.setLayout(new DefaultMenuLayout(popupMenu, BoxLayout.Y_AXIS));
popupMenu.setOpaque(false);
}
updateStyle(popupMenu);
}