MFC WindowProc function is called when what? Only find definitions and declarations, and found no call where things haven't worked in MFC, but check information to know that this is a message response function, but it's what's in the response message? Calls to this function parameters who wear? Also please know that the great god about them.

CodePudding user response:

"A simple MFC"

CodePudding user response:

WindowProc is a callback function, the window automatically calls the incident, the program don't also can't to call WindowProc

CodePudding user response:

Overloading WindowProc, set breakpoints, test and operation, stop and when we can see the call stack, will understand who is calling

CodePudding user response:

Win32 API to register window class, they need you to fill out the processing function of

You grab a win32 API to window example program, you will see.

Final call, affirmation is to call at the bottom of the Windows system.