特点：免费，界面效果理想，有文档和技术支持，界面是基于XML文件的，可以很方便的实现对界面的修改，但是界面库不够完善，有些控件不能实现，使用方便。-Features: Free, interface the results are satisfactory, there is documentation and technical support, the interface is based on the XML file, you can easily achieve the interface changes, but the interface library is not perfect, some controls can not be achieved, and easy to use.