VC++增强版电子标尺软件的源代码，透明窗体的实现是本程序的关键性技术，本标尺采用两点测量、多点测量、多角度测量的方法，配合窗体透明特效，完成一个逼真好用的电子标尺-VC++ enhanced version of the software source code for electronic ruler, transparent form of the realization of the key technologies of this program, the ruler uses two