Classe CWHelp

Data rilascio: 
Martedì, 1 Gennaio, 2002




Authors/Port authors:

Classe WPS per visualizzare aiuti da qualsiasi programma o script REXX senza dover ricorrere al sistema di aiuto di OS/2. Utilizza stringhe di configurazione per visualizzare il pannello di aiuto.

Questo software è distribuito come pacchetto compresso, da scaricare e installare manualmente; se ci sono prerequisiti da soddisfare, andranno anch'essi scaricati e installati manualmente.

Qui di seguito trovi i link di download per l'installazione manuale del software:

Classe CWHelp v. 0.1.0 (1/1/2002, Chris Wohlgemuth) Readme/What's new
CWHelp class V0.1.0 19.01.2002 ------------------------------ (C) Chris Wohlgemuth 2002 WPS class to display help from any program or REXX script without fighting with the OS/2 help system. Use setup strings to display a help panel. ------------------------------ I wrote this class to add real online help to DrDialog programs. The base package doesn't give access to the help facility so one had to use *.inf files and the view command instead which has some disadvantages. Displaying help with this class is really easy. The follwing code snippet shows, how to do it. A DrDialog demo application is also included. The help object which is created is a transient object. This means it will not survive a reboot. You may create as many help objects as necessary. -------------- /* Display a help panel with the CWHelp class */ call RxFuncAdd 'SysLoadFuncs', 'RexxUtil', 'SysLoadFuncs' call SysLoadFuncs /* Check if the class is already installed. */ CALL SysQueryClassList("liste.") alreadyInstalled='N' DO b=1 to liste.0 if WORD(liste.b , 1)="CWHelp" THEN DO alreadyInstalled='YES' LEAVE END END /* Get directory with the help DLL */ PARSE SOURCE . . theSource thePath=FILESPEC('drive',theSource)||FILESPEC('path',theSource) /* Register class if not already done */ IF alreadyInstalled\='YES' THEN DO rc=SysRegisterObjectClass("CWHelp", thePath||'CWHELP.DLL') END /* Create a help object */ rc=SysCreateObject("CWHelp","Help Object", "<WP_DESKTOP>", "OBJECTID=<MY_HELP_OBJ>;", 'update') /* Set the help library name */ ret=SysSetObjectData('<MY_HELP_OBJ>', 'HLPSETHELPLIBRARY='||thePath||'CWHelp.hlp') /* Display the help panel #10 */ ret=SysSetObjectData('<MY_HELP_OBJ>', 'HLPSHOWHELPPANEL=10') /* Destroy the help object */ ret=SysDestroyObject('<MY_HELP_OBJ>') /* Deregister the class to clean up. You may also keep the class. It doesn't hurt ;-) */ IF alreadyInstalled\='YES' THEN rc=SysDeregisterObjectclass("CWHelp") EXIT -------------- Problems -------- The help file is locked by the WPS after first opening and therefore can't be deleted or moved. You've to restart the WPS to unlock it. License: -------- /* * Copyright (c) Chris Wohlgemuth 2002 * All rights reserved. * * * * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The authors name may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */  local copy
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