What exactly is a com object, and how do I use it?

Question

That question is very broad, books have been written to answer that. Recommend to improve or close. — peterchen, Feb 10 '11 at 10:48
Duplicate: http://stackoverflow.com/questions/455687/what-is-com-component-object-model-in-a-nutshell — Alexandre C., Feb 10 '11 at 11:05

score 2 · Accepted Answer · answered Feb 10 '11 at 06:47

The essence of COM is a language-neutral way of implementing objects that can be used in environments different from the one in which they were created, even across machine boundaries. For well-authored components, COM allows reuse of objects with no knowledge of their internal implementation, as it forces component implementers to provide well-defined interfaces that are separate from the implementation

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What exactly is a com object, and how do I use it?

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