NBKEY1.C

 /*--*\ * This window procedure is a subclass procedure of a notebook, to support pressing    * * accelerator keys within a notebook page, the notebook itself and the dialog the     * * notebook is part of the client. Without this subclassing the notebook would not     * * forward keys it is not interested in to its owner (the dialog), but the owner would * * probably be interested in such keys. * \*--*/ MRESULT EXPENTRY SubclassedNotebookProcedure(HWND hwndNotebook, ULONG msg, MPARAM mp1, MPARAM mp2) { ULONG  ulIndex;

for(ulIndex=0; ulIndex<NOTEBOOKSUBCLASSMAX; ulIndex++) {   if(DialogNotebookSubclass[ulIndex].hwndNotebook==hwndNotebook) {       if(msg==WM_CHAR) {            /* We are only interested in WM_CHAR messages as a                result of keystrokes the notebook is willing to accept. We CALL the window procdure to receive the evaluation, as we have to pass on to the owner what the notebook ignores e.g. ALT+C for the Cancel pushbutton (the notebook               should do this itself but doesn't) */ if(!(BOOL)(DialogNotebookSubclass[ulIndex].pfnwpNotebook)(hwndNotebook, msg, mp1, mp2)) {               printf("Dialog: Notebook - forwarding to dialog\n"); return(WinSendMsg(WinQueryWindow(hwndNotebook, QW_OWNER), msg, mp1, mp2)); }           else break; }       else {               /* All messages but WM_CHAR are routed to the window procedure before subclassing */ return((DialogNotebookSubclass[ulIndex].pfnwpNotebook)(hwndNotebook, msg, mp1, mp2)); }       }    } return((MRESULT)TRUE); } 
 * 1) ifdef DEBUG_DIALOG
 * 1) endif /* DEBUG_DIALOG */