This is a very common question and I decided to ask it because this question may have a different answer as of today. Hopefully, the answers will help to understand what is the right way to work with COM objects. Personally, I feel very confuse after getting different opinions on this subject.This is a very common question and I decided to
阅读背景：
从今天开始，使用COM对象的正确方法是什么?
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