该电子时钟是基于windows mobile5.0 的软件，主要使用了透明控件技术。,The electronic clock is based on the windows mobile5.0 software, the main use of the transparent control technology.

.netcf UI美化，实现提示、背景色渐变、图片按钮、透明背景色图片功能的控件 -. netcf landscaping, implementation tips, background color, gradient, picture buttons, transparent background color image control functions