COM及其在铁路站场图绘制辅助系统中的应用

COM technology and its application in Railway Line Arrangement Drawing Assistant System

使用COM技术开发的应用程序具有高扩展性等优点。以使用COM技术开发铁路站场图绘制辅助系统的过程为例,研究了在VC++6.0环境中使用ATL编写COM组件涉及的一些技术。

The programs that adopted COM technology had many advantages such as high abilities of expansion. TakingRailway Line Arrangement Figure Drawing Assistant System with COM technology as an example, the technologies of COMunder the VC++6.0 and ATL were studied.