说明：  ucgui用户手册4.04,以前一般只有3.32的用户手册，对应后来增加的菜单等控件没有解释，该手册对4.04版本以前的控件都做了说明。
(ucgui user manual 4.04, only 3.32 before the general user manual, Later, the corresponding increase in the menus, and other controls without explanation, the manual version 4.04 of the previous Control has done a note.)