Design and Implementation of Online Classroom Real-Time Generating and On-Demand System

After describing the framework and features of ¿ online classroom real-time generating and on-demand system¿, this thesis mainly focus on the plan, design and implementation of two subsystems: ¿ Online classroom real-time generating subsystem¿ and ¿ online classroom on-demand subsystem¿. Some key techniques are discussed at full length, which mainly include recording and controlling the process of PowerPoint presentations, using a global mouse hook to track the mouse activity outside of the application, and achieving synchronization between course video playback and courseware presentation(or the changes of screen display), etc.