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

Define ActiveX and OLE?

895

Explain what is IUnknown interface?

861

What is GDI object?

1151

What Message to limit the size of window?

1161

What is Function entry for DLL in win3.1?

1151

What is preemption and context switching?

1186

What is System call executable binary file into a process?

1249

What are queued components?

1066

What is the difference between aggregated and contained objects?

1001

How to create an instance of the object in COM?

972

Suppose we have object B and aggregated object C (in- proc server), created by B. Can you access any interface of B from C?

996

Define and explain about COM?

1115

how to call a dll as a COM dll?

1178

Explain Futures of COM?

1010

How to handle dynamic menus in mfc? What happens when client calls cocreateinstance?

1251

Un-Answered Questions { VC++ }

How do I install activex control?

795

Explain the advantages of cwinthread class.

982

How do I use activex controls in excel vba?

709

What is a .ocx file?

696

How do I enable activex controls in firefox?

803

What are activex controls and plugins?

683

how to call a dll as a COM dll?

1178

How do I enable activex in windows 7?

725

What is the Use of the Developer Studio Editor?

2612

What is vc++ redistributable?

1287

What are ocx files used for?

749

What is the use of activex components?

768

Which browsers support activex controls?

764

What is activex dll in vb?

733

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?

2462

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