VC++ Interview Questions
Questions Answers Views Company eMail

Define ActiveX and OLE?

513

Explain what is IUnknown interface?

489

What is GDI object?

655

What Message to limit the size of window?

642

What is Function entry for DLL in win3.1?

640

What is preemption and context switching?

629

What is System call executable binary file into a process?

647

What are queued components?

567

What is the difference between aggregated and contained objects?

543

How to create an instance of the object in COM?

554

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

562

Define and explain about COM?

588

how to call a dll as a COM dll?

688

Explain Futures of COM?

560

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

672


Un-Answered Questions { VC++ }

How do I change visual code font?

567


How do I know if activex is enabled?

392


Is activex secure?

389


What is the use of microsoft visual c++ 2015 redistributable?

506


Can I uninstall visual c++?

583






How to Use structs in Automation-compatible interfaces?

2513


How do we create dcom object in vb6?

663


What do you mean by activex control?

377


Does edge browser support activex?

333


How do I open an ocx file?

391


How do I run mscomct2 ocx?

400


What are activex code components? What is guid?

417


How do I unregister mscomctl ocx?

387


How do I use activex controls in excel vba?

361


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

2071