几个星期以前，我拼命的寻找一个能够通过COM接口传递C++对象的例子，但是，没有找到.这就是我发表这篇文章的原因。 　　向ATL的DLL中传递一个C++对象参数并不是非常之难，但是，当然也会有点难度，也很有趣。-few weeks ago, I went all out to look for a pass through COM interface C Object example, but not found. This is my

01 Use the CMemFile Cla-01 Use the CMemFile Class

将相应数据依次存入内存，后进行对数据的依次提取，并显示的测试工具。-The corresponding data is sequentially stored in the memory, after the pair of data are sequentially extracted and displayed test tool.