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

Explain transaction atomicity?

1 4644

Explain object pooling?

HCL,

1 6174

Explain JIT activation?

1 6261

Which namespace do the classes, allowing you to support COM functionality, are located?

2597

How do you make a NET component talk to a COM component?

TCS,

3 7987

Explain queued components.

2 5777

How does a DCOM component know where to instantiate itself?

1 4933

What kind of components can be used as DCOM servers?

1 6142

What are the different compatibility types when we create a COM component?

TCS,

1 6300

Which tool is used to configure the port range and protocols for DCOM communications?

1 7464

What MFC base classes provide support for ActiveX controls?

Wipro,

2 11118

What is subclassing?

2 19549

What four types of properties are supported by an ActiveX control?

1 5983

What interface must be supported by an ActiveX control?

2 7719

What is the difference between OnInitialUpdate and OnUpdate?

5 20370

Un-Answered Questions { VC++ }

What browsers use activex?

768

Explain STL, standard template library?

822

How do I use activex controls in excel vba?

702

Does edge browser support activex?

678

What are activex code components?

755

Does chrome use activex?

716

What is comctl32 ocx used for?

670

What do you mean by activex control?

709

What is activex control excel?

803

What is visual c++ 2010 redistributable package x64?

1007

What do you mean by type library?

774

How do I enable activex on edge?

723

How do I install microsoft visual c++ 2015?

996

How do I install activex control?

789

Is microsoft visual c++ a virus?

1170

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