Answer Posted / riddhi

Query Interface method is used to get the pointer to the
interface specified in one of the parameters of this
method. Client then uses this pointer to call the method of
the component.
AddRef and Release are used to increase and decrease the
count of the instance of component loaded in memory
respectively. when the count reaches zero the component is
unloaded.

Explain Futures of COM?

1081

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What is reference counting in com?

1017

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What is dcom?

1038

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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?

1037

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how to call a dll as a COM dll?

1224

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What is the use of com component in .net?

1044

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Can I use .net components from com programs?

1124

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Is dcom dead?

1107

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Which namespace do the classes, allowing you to support COM functionality, are located?

2676

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Once I have developed the com wrapper do I have to still register the com in registry?

1113

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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?

1047

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Does .net replace com?

1100

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How to create an instance of the object in COM?

1034

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What are queued components?

1123

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Can you explain what is dcom?

978

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