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Categories >> Software >> Microsoft Related >> COM+
 
 


 

 
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Question
What happens when we instantiate a COM component ?
 Question Submitted By :: COM+
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
When instantiating a COM object, Visual Basic calls an API
function named CoCreateInstance() behind the scenes to
create the object for you.
 
Is This Answer Correct ?    6 Yes 0 No
Ravi Raj Chellueri
 
Answer
# 2
When instantiation happen COM Component is Actually picked
up from it's ClassFactory. Then instance of the CoClass is
create and AddRef is called for the CoClass object. Hence
object life cycle is started when it's instantiate.
 
Is This Answer Correct ?    2 Yes 1 No
Virat Sarswat
 
 
 

 
 
 
Other COM+ Interview Questions
 
  Question Asked @ Answers
 
Explain consistency?   2
Explain role-based security?   1
Is the COM architecture same as .Net architecture? What is the difference between them?   1
How do you make a NET component talk to a COM component?   1
What is use of ContextUtil class?   2
How to invoke .net components from com components,give the sequence ? Digital-GlobalSoft 3
Are com components serializable? Microsoft 2
Define availability?   1
can we send inputs to visual basic projects through command line arguments CTS 1
How will you register com+ services?   3
How does you handle this COM components developed in other programming languages in .NET?   1
Define manageability?   1
 
For more COM+ Interview Questions Click Here 
 
 
 
 
 


   
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