Answers were Sorted based on User's Feedback
Answer / chandrasekharreddy siddamreddy
Open the dll in dependency walker application
(depends.exe). If the dll is having following functions
It is a COM DLL otherwise it is not.
|Is This Answer Correct ?||13 Yes||1 No|
Answer / virat sarswat
Checking above listed four function is a option. Another
one is just try to egister dll using "Regsvr32" if it's a
com dll it will register otherwise it will prompt error for
|Is This Answer Correct ?||4 Yes||0 No|
Answer / techy break
second answer is correct, checking dll not means, checking
in source code.So IUnKnowns pointer checking no
possible.Simply check using dependancy walker as in 2
|Is This Answer Correct ?||1 Yes||0 No|
Answer / sandeep mishra
COM DLLs export above listed 4 functions and it's mandatory
for any DLL to be qualified as a COM DLL.
Where in regular DLLs we get a list of exported functions
which from client application we will invoke.
|Is This Answer Correct ?||0 Yes||0 No|
Answer / bijender singh
COM Dll contails IUnknown interface but general DLL doesn't.
|Is This Answer Correct ?||2 Yes||4 No|
hi,I have applied for NIC test plz if any one have test paper pattrn plz send me on "email@example.com"
how to call a dll as a COM dll?
How do you make a NET component talk to a COM component?
What is a moniker ?
where can i use pmcmd commands of informatica
How can would you create an instance of the object in COM
Explain object pooling?
Explain queued components.
Explain transaction atomicity?
Write a JCL to copy only selected members from a partitioned data set to another partitioned data set. (Use: IEBCOPY)
Which tool is used to configure the port range and protocols for DCOM communications?
what is mean by scintific,commercial and business applications? How they differ? Please answer me. Advance thanks.