c++ - Get the WNDPROC for windows handle -


exist windows api function retrieve wndproc windows handle?

thanks in advance.

use getwindowlongptr(hwnd, gwlp_wndproc).

caution: getwindowlongptr #defined getwindowlong 32-bit systems, in order import in delphi might need use getwindowlong instead. well, getwindowlongptr #defined either getwindowlongptra or getwindowlongptrw (for non-unicode , unicode targets), again might need choose right name manually delphi if import system there not smart.

remember if going call obtained window proc, should using callwindowproc. @in silico hint.

please note value returned not real pointer window procedure. it's kind of handle recognized , correctly processed callwindowproc. example, you'll not real function pointer if application ansi, window belongs unicode component (or vice versa). see this posting in the old new thing more details.


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