Hallo,
Implementiere einen WH_CALLWNDPROC resp. WH_CALLWNDPROCRET Hook.
Zitat:
WH_CALLWNDPROC
Installs a hook procedure that monitors messages before the system sends them to the destination window procedure. For more information, see the CallWndProc hook procedure.
WH_CALLWNDPROCRET
Installs a hook procedure that monitors messages after they have been processed by the destination window procedure. For more information, see the CallWndRetProc hook procedure.
Damit kannst du