VC++ Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

MFC (184)
ATL (26)
COM DCOM (53)
Win32API (35)

ActiveX (202)
VC++ AllOther (153)

VC++ Interview Questions

Questions Answers Views Company eMail

What function is called by a document class to notify views that the document has been changed?

2 8833

What view class enables you to use an edit control as a view?

1 6741

What are the special requirements for dialog box resources used in a form view?

2 7548

What is IUnknown? What methods are provided by IUnknown?

IBM,

3 10542

What are the purposes of AddRef, Release and QueryInterface functions

2 9913

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

1 6012

How can would you create an instance of the object in COM

2 8656

What happens when client calls CoCreateInstance?

Cap Gemini,

2 13595

What is the difference, if any, between OLE and COM?

3 15433

What is In-proc?

4 25450

Let?s assume 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?

3 5880

What is a moniker ?

3 9333

C is aggregated by B, which in turn aggregated by A. Our client requested C. What will happen?

2 7942

What is the base class for MFC Framework ?

4 18833

If i derive a new class from CObject what are the basic features my derived wil get ?

Microsoft,

4 18619

Un-Answered Questions { VC++ }

What is the difference between an MLE and an SLE?

6552

How do I test activex filtering?

767

How do I install activex on firefox?

794

Do I need microsoft visual c++ 2005 redistributable on my computer?

1139

What is activex filtering?

756

Is visual c++ the same as c++?

1073

How do I delete activex controls in ie11?

722

Do ocx files need to be registered?

741

How do I turn off activex filtering in chrome?

789

How do I know if activex is enabled?

808

What is visual c++ redistributable?

1167

Can you explain what is dcom?

922

Does activex work in chrome?

761

What's the Use of OLE Hyperlinking?

2695

How do I enable activex on my computer?

735

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