What should QueryInterface functions do if requested object was not found?

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what is far pointer and what are the use of far poiter in com/dcom ?????

2 Answers   HCL,

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hi,I have applied for NIC test plz if any one have test paper pattrn plz send me on "mn_mayank38@yahoo.co.in"

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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?

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What are the purposes of AddRef, Release and QueryInterface functions

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What is dcom?

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What is In-proc?

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Suppose 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?

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Explain queued components.

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C is aggregated by B, which in turn aggregated by A. Our client requested C. What will happen?

2 Answers  

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How do we create dcom object in vb6?

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how to call a dll as a COM dll?

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