Message handling - class wizard, Visual Basic Programming

Assignment Help:

Message Handling:

1. The message is send to the window. And it is sent to the Window Procedure.

2. The message map holds all the message handlers.

3. The window procedure looks for the message map for the handler for the received message.

4. The CWnd :: WindowProc calls the handler and passes the significant message parameters.

5. If the message handler is not in the message map, then the default message handler, that is, CWnd::DefWindowProc is called. The DefWindowProc handler gives the default behavior like moving, sizing for all the windows.


Related Discussions:- Message handling - class wizard

File system controls, FILE SYSTEM CONTROLS There are 3 file system cont...

FILE SYSTEM CONTROLS There are 3 file system controls as shown in figure. The drive list box, directory list box & the file list box. The drive list box control is used to exhi

Messages - visual basic programming, MESSAGES The Windows-based applica...

MESSAGES The Windows-based applications do not make explicit function calls to acquire input. They wait for the system to pass the input to them. The system passes input to the

Variable scope, Variables must always be described with the smallest scope ...

Variables must always be described with the smallest scope possible. VBScript variables can have the given scope. Scope Where Variable is Declared

Student record management system, i need your help in designing and coding ...

i need your help in designing and coding a student record management system

Vbscript error object clear method, Methods: VBScript Err Object ...

Methods: VBScript Err Object Clear Method Clears every property settings. Raise Method Generate a run-time error.

Check whether a number is palindrome or not, Function IsPalindrome(str) ...

Function IsPalindrome(str) Dim iStart,iEnd,ctr,blnPalin str=trim(str) blnPalin=true iEnd=len(str) iCnt=round(iEnd / 2) iStart=1 for ctr=1 to cint(iCnt) if(mid(str,iEnd,

Document view architecture, DOCUMENT VIEW ARCHITECTURE The Document/Vie...

DOCUMENT VIEW ARCHITECTURE The Document/View architecture is used to build an application based on the Microsoft Foundation Classes library. The Document/View architecture is s

Scalar variables and array variables, Mostly time, you just desire to assig...

Mostly time, you just desire to assign a single value to a variable you have declared. A variable having a single value is a scalar variable. At other times, this is convenient to

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd