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 is the file extension used for C++ class implementation files?

3 8319

What is the default label used for in a switch statement?

2 5110

What function is used to disable a control at runtime?

7 15420

What are the types of button controls?

10 20818

What is the difference between the = and == operators?

1 4664

What is the difference between an MLE and an SLE?

Infosys,

1 6632

What is the use of DDV and DDX routines ?

TCS,

4 15306

Name the three types of loops used in C++ programs?

4 10447

What function is used to retrieve the currently selected index in a list box?

2 8951

What is the use of message map ?

TCS,

5 33126

What is the base class for most MFC classes?

CMC, Siemens,

7 22391

What is the difference between the ASSERT and VERIFY macros?

4 19957

What is the use of CObject::Dump function ?

4 16501

What is the difference between pointer and reference?

IBM, Microsoft, Tech Mahindra,

7 21639

What is more efficient to pass as a parameter--a pointer or an object? Why?

1 5224

Un-Answered Questions { VC++ }

Explain what is IUnknown interface?

893

How do I install activex control?

842

What is microsoft visual c++ 2008 redistributable?

1157

Why is the put_Font or putref_Font method not called when an ActiveX control's Font property is changed by the ActiveX Control Pad?

2510

What is visual c++ runtime error?

1253

How do we create dcom object in vb6?

1175

How do I use activex controls?

810

What is ocx?

805

Explain STL, standard template library?

873

What is the difference between turbo c++ and visual c++?

1068

How do I use activex in firefox?

790

Do you need microsoft visual c++?

1118

What is microsoft visual c++ 2015 redistributable package x64?

1067

What is an activex control explain with an example?

795

How do I test activex filtering?

815

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