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*MB_OK   :-The Message Contains on push button ok. this is the                      default. 
*MB_OKCANCLE  :- the message box contains two push buttons:ok                                     & cancle
*MB_RETEYCANCLE  :-the message box contains two push                                            buttons:retry & cancle 
*MB_YESNO  :-  the message box contains two push buttons:Yes &                                No 
*MB_YESNOCANCLE  :-the message box contains Three push                                           buttons: yes, no & cancle
*MB_ICONNEXCLAMATION:- An exclamation - point icon appears *MB_ICONWARNING:-          in the message 
*MB_*MB_ICONFORMATION :-   An icon consist of a 
*MB_ICONASTERISK:-   Lower case letter in a circle appears in the 		        message box 
*MB_ICONQUESTION:- A question-mark icon appears in the 		        message box  
*MB_ICONSTOP :-
*MB_ICONERROR:- A stop  - sign icon appears in the 
 *MB_ICONHAND:-  meesage box


If the function succeds, the return value in one of the following menu-item values.