Effective use and design of COM smart Pointers-Clause 1: Smart pointers past and present

Article 1: smart pointer to past and present
When I first studied COM reference counting and smart pointers, I started with compiling the API documentation for _ com_ptr_t and CComPtr. At that time, my project manager asked me many times about the background of _ com_ptr_t and CComPtr. For example, the database to which it belongs. It is suggested that I integrate the content into the document.

This is a good suggestion. I did it. The results are quite satisfactory. The most obvious difference is that the problem that needs to be explained in a large space will be reduced by a lot due to the previous Background introduction. It is easy for readers to understand. Of course, if I continue to do this, it may bring more additional benefits: ganbaba's "Ji Chuan "API document is like a "" novel. It is indeed possible for programmers who lie in front of the computer every day to see sleepy documents to mention a lot of spirit.

So let us know