很漂亮的About对话框，带渐变由下而上滚动，很像电影序幕效果，这个对话框很适合做你的软件的“关于”对话框，会使你的软件更有品味哦！-About dialog box is very beautiful, with gradual rolling from the bottom up, much like a prelude to the effect of the film, the dialog box is suitable fo