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 8718

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

1 6673

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

2 7471

What is IUnknown? What methods are provided by IUnknown?

IBM,

3 10413

What are the purposes of AddRef, Release and QueryInterface functions

2 9799

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

1 5942

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

2 8574

What happens when client calls CoCreateInstance?

Cap Gemini,

2 13490

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

3 15297

What is In-proc?

4 25316

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 5719

What is a moniker ?

3 9210

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

2 7836

What is the base class for MFC Framework ?

4 18698

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

Microsoft,

4 18393

Un-Answered Questions { VC++ }

How do I enable activex on my mac?

735

What is activexobject?

698

How to create a DLL in C++.net 2005 which we can use in VB 6.0 application ?

2181

Does microsoft edge use activex?

684

What is activex control in vb net?

720

How do I enable activex on my computer?

697

What is activex in java?

695

What is activex document in vb?

635

How do you handle drag and drop in ole?

964

How do I remove an activex control in excel?

645

What is an activex server?

746

What is visual c++ 2010 redistributable package x64?

953

How do I enable activex in chrome?

714

What is the use of activex components?

732

What browser uses activex?

718

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