一个自绘的4态按钮控件，需要一个竖版的4态图片，顺序是:常态-移上-按下-常态-A self-painted 4-state button control, requires a vertical version of the four state picture, the sequence is: normal- moving on- press- Normal

一个自绘的combobox控件，edit和下拉菜单的边框，背景，按钮，都支持使用自定义图片-A self-drawing of the combobox control, edit and drop-down menu borders, backgrounds, buttons, support the use of a custom image

一个绘制背景类，把背景分为左中右或者上中下三部分，通过对中间部分图片的缩放来实现整张背景的缩放，自动透明背景-A drawing class background, the background is divided into left and right or on the lower three parts, the middle part of the image through the zoom to achieve the e

一个font类，实现了链接功能，很小的一段代码，简单明了-A font class, realized the link function, a small section of code, simple