Window class: Difference between revisions
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imported>Liz Removing PROD tag, this article was listed at VFD (which predates AFD) so is not eligible for PROD. |
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{{notability|date=August 2014}} | {{notability|date=August 2014}} | ||
In [[computer programming]], a '''window class''' is a fundamental in many [[windowing system]]s, including the [[Microsoft Windows]] ([[Win16]], [[Win32]], and [[Win64]]) [[operating system]]s, IBM [[OS/2]]<ref name=Petzold /> and the [[X Window System]].<ref>{{cite book |author1=Pavlidis, Theo |article=WINDOW SYSTEMS |title=Wiley Encyclopedia of Electrical and Electronic Engineering (draft) |url=https://www3.cs.stonybrook.edu/~theo/winsys.html}}</ref> The class defines the window procedure used | In [[computer programming]], a '''window class''' is a fundamental in many [[windowing system]]s, including the [[Microsoft Windows]] ([[Win16]], [[Win32]], and [[Win64]]) [[operating system]]s, IBM [[OS/2]]<ref name=Petzold /> and the [[X Window System]].<ref>{{cite book |author1=Pavlidis, Theo |article=WINDOW SYSTEMS |title=Wiley Encyclopedia of Electrical and Electronic Engineering (draft) |url=https://www3.cs.stonybrook.edu/~theo/winsys.html}}</ref> The class defines the window procedure used to process messages for all windows created with that class.<ref name="Petzold">{{cite book |last1=Petzold |first1=Charles |title=Programming The OS/2 Presentation Manager |date=1989 |publisher=Microsoft Press |isbn=1-55615-170-5 |url=https://komh.github.io/os2books/txt/ppm.txt}}</ref> | ||
The structure provides a template from which [[window (computing)|windows]] may be created by specifying a window's [[icon (computing)|icon]]s, [[menu (computing)|menu]], background color and a few other features. It also holds a [[pointer (computer programming)|pointer]] to a procedure that controls how the window behaves in response to user interaction. It finally tells the operating system how much additional storage space is needed for the class and each window created from it. | The structure provides a template from which [[window (computing)|windows]] may be created by specifying a window's [[icon (computing)|icon]]s, [[menu (computing)|menu]], background color and a few other features. It also holds a [[pointer (computer programming)|pointer]] to a procedure that controls how the window behaves in response to user interaction. It finally tells the operating system how much additional storage space is needed for the class and each window created from it. | ||
Latest revision as of 03:03, 5 October 2025
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In computer programming, a window class is a fundamental in many windowing systems, including the Microsoft Windows (Win16, Win32, and Win64) operating systems, IBM OS/2[1] and the X Window System.[2] The class defines the window procedure used to process messages for all windows created with that class.[1]
The structure provides a template from which windows may be created by specifying a window's icons, menu, background color and a few other features. It also holds a pointer to a procedure that controls how the window behaves in response to user interaction. It finally tells the operating system how much additional storage space is needed for the class and each window created from it.