Windows COM programming com variable Daquan

Source: Internet
Author: User

Pure attraction.

COM programming materials are hard to find and do not know how to find.

In Windows COM programming, BSTR variant ccombstr ccomvariant is a common com variable ..

Come back and make a summary of the usage of the variables.

I don't know much about com, but I have to use it to understand it.

The authoritative document msdn is not easy to understand, there are no examples, and it is even difficult to find authoritative materials.

So I plan to take the time to study and summarize. Codeproject.net a developer under Microsoft discusses the website.

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