I currently wiriting a telephony app using VC++ and the MFC. I've encapsulated a large portion of the TAPI API in a CTapi class which is globally decalred. My problem is that the CALLBACK function causes my system to crash every time it is accessed by the TAPI dll. I can trace the flow of control into the callback function but as soon as it tries
to return the system crashes. It appears totally locked up, even the win95 taskmanager is locked. I think something is interfering with the windows messaging, but I'm not sure.
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This is to be the first in a series of articles demonstrating the development of a complete windows based application using the MFC classes. I’ll try to keep each article focused on one (or a couple) of the tasks that one may meet.
Load and Save to file, Document-View interaction inside the SDI.
Continuing from the second article about sudoku.
Open the project in visual studio.
From the class view select CSudokuDoc and double click to open the header …