Returns a pointer to the current interface if successful or E

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

Question Posted / jitendra

Answer Posted / jitendra

Returns a pointer to the current interface if successful or
E_NOINTERFACE otherwise.

Is This Answer Correct ?

4 Yes

1 No

Please Help Members By Posting Answers For Below Questions

Define and explain about COM?

1103

What is the difference between aggregated and contained objects?

995

What is dcom?

976

how to call a dll as a COM dll?

1168

Can I use .net components from com programs?

1040

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

2591

Is dcom dead?

1040

Can you explain what is dcom?

918

Suppose we have object B and aggregated object C (in- proc server), created by B. Can you access any interface of B from C?

984

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

1065

How to create an instance of the object in COM?

957

Can I use com components from .net programs?

1069

What is the use of com component in .net?

998

Does .net replace com?

1020

How do we create dcom object in vb6?

1116