http://www.allinterview.com New MFC Interview Questions en-us http://www.allinterview.com/showanswers/94510.html http://www.allinterview.com/showanswers/94410.html Build includes 2 things viz. Compile and then Linking. Linker tool of the tool chain uses some linker script file (.ld extension or some other) to link all the object files from your code and that from library. The compiler gives you object fil http://www.allinterview.com/showanswers/88696.html http://www.allinterview.com/showanswers/79316.html 1. A unary operator is one which has only one operand. e.g. post/pre increment operator. 3. A function pointer is declared as following. Rarely used int (*fp)(int); where fp is pointer to a function with an integer as argument and r http://www.allinterview.com/showanswers/79009.html http://www.allinterview.com/showanswers/76249.html if(NULL != ::CreateMutex(NULL, TRUE, _T("CSingleInstanceApp"))) { long dwError = ::GetLastError(); if(dwError == ERROR_ALREADY_EXISTS) EndDialog(IDOK); } Paste the above code snippet inside the "InitInstance" func http://www.allinterview.com/showanswers/75769.html • callback function is a function that is called through a function pointer. • pass the pointer (address) of a function as an argument to another, when that pointer is used to call the function it points to it is said that a call back is made http://www.allinterview.com/showanswers/75276.html a)The framework calls this member function b)This function get called, when Windows or an application makes a request to repaint a portion of an application's window. c) http://www.allinterview.com/showanswers/74999.html You theApp object is replace with new name; Eg CdlgtestApp theApp; CdlgtestApp theApp3; // now this is your applcation obj CdlgtestApp theApp3; CdlgtestApp theApp; // No effect http://www.allinterview.com/showanswers/74406.html http://www.allinterview.com/showanswers/74405.html http://www.allinterview.com/showanswers/72480.html PostMessage is used in Threading usually. to post a message to Messaging Queue. Get message is a blocking call it waits for the message untill it recieve the message it was requiring Peak message doesnt wait for the message particually i http://www.allinterview.com/showanswers/71629.html Message testing is used mostly by advertising companies or other industries.The actual definition of MT is " Getting the feedback from customers, industry specialist or chanel partners or anyone who is related to that work". The fee http://www.allinterview.com/showanswers/71033.html to change color of all controls window message "WM_CTLCOLOR" needs to process in MFC this can be done by modifying OnCtlColor() eg. HBRUSH CTestDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) http://www.allinterview.com/showanswers/70478.html This boils down to the concept of Binary digits. Take an array size of 64 for example. We start from 0 and end at 63. We require 6 bits.But, if we were to start from 1 and end at 64, we would require 7 bits to store the same number, thus incr