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- Workplace_Shell abstract "The Workplace Shell (WPS) is an object-oriented desktop shell produced by IBM's Boca Raton development lab for OS/2 2.0. It is based on Common User Access and made a radical shift away from the Program Manager type interface that earlier versions of OS/2 shared with Windows 3.x or the application-oriented WIMP interface of the Apple Macintosh. The Workplace Shell was also used in OS/2 Warp 3 and Warp 4, and is still the user interface of the revamped successor to OS/2 called eComStation of Serenity Inc.Although mostly written in C, under the covers the Workplace Shell is implemented as an object-oriented class library, basing on the System Object Model (SOM). The WPS classes are glued together with an interface definition language (IDL). SOM and its IDL was developed by IBM in their Austin, Texas lab.The classes can easily be manipulated by sending simple settings strings (like "KEYWORD=VALUE;") to them both via a C and a Rexx API.When implementing a new WPS class, it is derived from an existing class from within the WPS class hierarchy. For modifying, extending or removing certain functionality of the parent class, often only a few methods of the parent class need to be overwritten by the developer. All other functionality of the parent class can safely remain unchanged, ensuring the seamless integration of the added or modified functionality and with that the consistency of the remaining user interface.The resulting object class is shipped in DLL form. Once the new object class implemented by it is registered with the Workplace Shell and an instance of this class is created, it can be acted on by the user or other programs as every other Workplace Shell object. A part of the WPS design allows for the developer of a class Y which extends or modifies a class X to execute an additional API on installation which will let the WPS 'replace' class X by class Y. This will make even all existing instances of class X behave as instances of the modified class Y; i.e., almost a retroactive inheritance. This allows for many useful third-party desktop utilities that add or modify functionality to or of existing objects without access to IBM's source code. Where the IDL and class headers also of derived classes are published, these classes can as well be extended in turn in the same way.".
- Workplace_Shell wikiPageExternalLink kaisersite.dedfm.html.
- Workplace_Shell wikiPageExternalLink wpsfw151.zip.
- Workplace_Shell wikiPageExternalLink wps.html.
- Workplace_Shell wikiPageExternalLink wpstk.netlabs.org.
- Workplace_Shell wikiPageExternalLink thread.jspa?threadID=396992.
- Workplace_Shell wikiPageExternalLink wps4win.html.
- Workplace_Shell wikiPageExternalLink www.osfree.org.
- Workplace_Shell wikiPageExternalLink xworkplace.netlabs.org.
- Workplace_Shell wikiPageID "679630".
- Workplace_Shell wikiPageRevisionID "593161685".
- Workplace_Shell hasPhotoCollection Workplace_Shell.
- Workplace_Shell subject Category:Desktop_environments.
- Workplace_Shell subject 2.
- Workplace_Shell comment "The Workplace Shell (WPS) is an object-oriented desktop shell produced by IBM's Boca Raton development lab for OS/2 2.0. It is based on Common User Access and made a radical shift away from the Program Manager type interface that earlier versions of OS/2 shared with Windows 3.x or the application-oriented WIMP interface of the Apple Macintosh.".
- Workplace_Shell label "Workplace Shell".
- Workplace_Shell label "Workplace Shell".
- Workplace_Shell label "Workplace Shell".
- Workplace_Shell label "ワークプレース・シェル".
- Workplace_Shell sameAs Workplace_Shell.
- Workplace_Shell sameAs ワークプレース・シェル.
- Workplace_Shell sameAs Workplace_Shell.
- Workplace_Shell sameAs m.03292x.
- Workplace_Shell sameAs Q365069.
- Workplace_Shell sameAs Q365069.
- Workplace_Shell wasDerivedFrom Workplace_Shell?oldid=593161685.
- Workplace_Shell isPrimaryTopicOf Workplace_Shell.