What are the purposes of AddRef, Release and QueryInterface
functions
Answer Posted / anand
To bring the lost object identity back to the component
thru QueryInterface and manage the life-cycle of the
component thru AddRef and Release by reference counting.
Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
Which namespace do the classes, allowing you to support COM functionality, are located?
How to create an instance of the object in COM?
Explain Futures of COM?
Can I use .net components from com programs?
What is dcom?
Can I use com components from .net programs?
What is the use of com component in .net?
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 are queued components?
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?
Define and explain about COM?
How do we create dcom object in vb6?
how to call a dll as a COM dll?
What is reference counting in com?
Once I have developed the com wrapper do I have to still register the com in registry?