介绍一下如何开发BHO插件，开发环境为VC6.0（使用ATL），安装Platform SDK中的Internet Development SDK。-Tell us how to develop BHO plug-in development environment for VC6.0 (using ATL), install the Platform SDK in the Internet Development SDK.

使用SDK开发的基于IE浏览器的开发，完全实现ole控件的继承-Developed using the SDK IE browser-based development, the full realization of the inheritance ole control