Huw Davies (@huw) commented about programs/notepad/main.c:
dwStyle, 0, 0, rc.right, rc.bottom, hWnd, NULL, Globals.hInstance, NULL);
SetWindowSubclass(Globals.hEdit, (SUBCLASSPROC)EDIT_CallBackProc, 0, 0);
SetWindowSubclass(Globals.hEdit,EDIT_CallBackProc, 0, 0);
Could you keep the space after the comma though ;-)