实现qq好友列表，头像在线高亮下线变灰，背景图片的切换-Achieve qq friends list, highlight offline avatar online dimmed, switch the background image

控件美化皮肤，MFC里的控件这里都有皮肤，很好的。-skin is OK.

MFC各种控件的自绘重写，包含button,listbox,listctrl,tabctrl.treectrl,combobox,edit,progressctrl,sliderctrl等等。(MFC various controls from the drawing, rewriting, including button, listbox, ListCtrl, tabctrl.treectrl, combobox, progress