C++ Windows, MFC, Win32 Questions & Answers
1. What is the base class for MFC Framework ?
CObject
2. If i derive a new class from CObject what are the basic features my derived wil get ?
Runtime class identification/ dynamic object creation (b) Synchronization (c) diagnostic support.
3. What is the use of CCmdTarget ?
Command routing
4. What is document-view architecture ? Give me one real time example for SDI ?
Representaion of data / and it view.
5. Can you explaing the relashionship between document,frame and view ?
CSingleDocTemplate /CMultiDocTemplate
6. How to access document object from view ?
GetDocument()
5. What is the entry point for window based applications ?
WinMain()
6. Explain the flow for a simple win32 based application ?
WinMain() -> Wnd class registration ->window creation- > loop
7. How to handle command line arguements from simple MFC application ?
8. What is model and modeless dialog box ? Give some examples?
9. How to create open & save dialogs ?
CFileDialog with true or false value;
10.What is CSingleDocTemplate?
Used to bind SDI classs
11.What is the difference between hinsrtance and hprevinstance in WinMain function?
12.Explaing about MDI and CMultiDocTemplate ?
13.Tell me the different controls in MFC ?
14. What is the use of OninitDialog ?
15. What is the use of UpdateData funciton ?
Saving data from control to variable and vice versa
16.What is the difference between GetMessage and PeekMessage ?
1st one constantly seeks queue for message, peekmessage returns immidiately
17.How to update all the views whenver document got updated ?
UpdateAllViews()
18.How to handle RTTI in MFC ?
DECLARE_DYNCREATE /IMPLEMENT_DYNACREATE
19.What is serialization ?which function is responsible for serializing data ?
Storing /retrieving object to/from disk
Doc::Serialize
20.What is CArchive class dowes?
Object storage in Binary format
21.What is thread & process?
22.Explain about different kinds of threads in MFC?
UI thread/ Worker thread
23.Tell me about different kinds of synchranization objects ?
Creatical section/Mutex/Semaphore/Event
