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 8976

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

1 6849

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

2 7645

What is IUnknown? What methods are provided by IUnknown?

IBM,

3 10698

What are the purposes of AddRef, Release and QueryInterface functions

2 10036

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

1 6103

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

2 8762

What happens when client calls CoCreateInstance?

Cap Gemini,

2 13689

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

3 15564

What is In-proc?

4 25620

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 6031

What is a moniker ?

3 9460

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

2 8028

What is the base class for MFC Framework ?

4 19033

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

Microsoft,

4 18887

Un-Answered Questions { VC++ }

How do I turn off activex filtering in firefox?

752

How do I turn off activex in internet explorer?

740

How do I enable initialize and script activex controls?

823

What are activex controls in excel?

776

What is vcredist_x86 exe?

1086

What Is ActiveVRML?

2791

What does activex filtering mean?

829

What is microsoft visual c++ 2008 redistributable and do I need it?

1067

What is the difference between aggregated and contained objects?

1046

What is runtime error 429 activex?

724

How does com give language transparency?

820

Can I uninstall visual c++?

1071

How do I unregister an ocx file?

737

How can we use cmutex?

1013

How do I turn on activex?

770

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