嵌入式系统PDA的流程，在WINDOWS环境下的模拟运行，带触摸屏，窗口系统，消息机制，很不错的-PDA embedded system processes, in the Windows environment simulation operation, with touch screen, window systems, information mechanism, very good

DOS环境下图形用户界面支持系统，采用WINDOWS消息响应机制，是DOS下图形界面编程理想的图形包-DOS environment graphical user interface support system, using WINDOWS source response mechanism, under DOS graphics are ideal for graphics programming interface package