Once I have developed the com wrapper do I have to still register the com in registry?
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What are the purposes of AddRef, Release and QueryInterface functions
Explain Futures of COM?
What is the use of com component in .net?
When you call CoInitialize(NULL) function how it works internally.
Which tool is used to configure the port range and protocols for DCOM communications?
can a COM interface be implemented by more than one COM class in the same COM component?
2 Answers Cap Gemini, Honeywell,
What should QueryInterface functions do if requested object was not found?
Let?s assume we have object B and aggregated object C (in- proc server), created by B. Can you access any interface of B from C? What?s the difference between aggregated and contained objects?
How does a DCOM component know where to instantiate itself?
What is a moniker ?
what is mean by scintific,commercial and business applications? How they differ? Please answer me. Advance thanks.
What is IUnknown? What methods are provided by IUnknown?