Slider (computing)
Encyclopedia
A slider, also known as track bar in Microsoft literature, is an object in a GUI
Gui
Gui or guee is a generic term to refer to grilled dishes in Korean cuisine. These most commonly have meat or fish as their primary ingredient, but may in some cases also comprise grilled vegetables or other vegetarian ingredients. The term derives from the verb, "gupda" in Korean, which literally...

 with which a user may set a value by moving an indicator, usually in a horizontal fashion. In some cases the user may also click on a point on the slider to change the setting. It is different from a Scrollbar
Scrollbar
A scrollbar is an object in a graphical user interface with which continuous text, pictures or anything else can be scrolled including time in video applications, i.e., viewed even if it does not fit into the space in a computer display, window, or viewport...

 in that it is typically used to adjust a value without changing the format of the display or the other information on the screen.

In the Microsoft Windows
Microsoft Windows
Microsoft Windows is a series of operating systems produced by Microsoft.Microsoft introduced an operating environment named Windows on November 20, 1985 as an add-on to MS-DOS in response to the growing interest in graphical user interfaces . Microsoft Windows came to dominate the world's personal...

 series of operating systems, sliders first appeared in Windows 95
Windows 95
Windows 95 is a consumer-oriented graphical user interface-based operating system. It was released on August 24, 1995 by Microsoft, and was a significant progression from the company's previous Windows products...

. Previous versions of Windows, up to and including Windows 3.x
Windows 3.x
Windows 3.x can refer to either an individual or all of the following versions of Microsoft Windows:*Windows 3.0*Windows 3.1x*Windows 3.2...

, used scrollbars for this purpose.

Usage with progress bars

Sliders are also extensively combined with progress bar
Progress bar
A progress bar is a component in a graphical user interface used to convey the progress of a task, such as a download or file transfer. Often, the graphic is accompanied by a textual representation of the progress in a percent format....

s in the playback of streaming media
Streaming media
Streaming media is multimedia that is constantly received by and presented to an end-user while being delivered by a streaming provider.The term "presented" is used in this article in a general sense that includes audio or video playback. The name refers to the delivery method of the medium rather...

 over a network connection; the combination is primarily necessitated by the need for the designer or developer of the media player's (or media player plug-in, if the media is being played in a browser by itself or through a webpage-embedded applet) user interface to indicate the current progress of the download that is accessible to the user. The progress inside the slider is usually indicated with a color that distinguishes it from the rest of the slider, including the indicator, and is usually shown to inch slightly faster than the indicator; if the connection with the server of the media is constantly forthcoming or has stalled, the progress stalls in the last position of progress, and the indicator is prevented from moving any further save for the user's own movement of the indicator (which does not result in any further playback if moved forward past the current progress limit, but does result in rewinding of the playback if moved backward in the diagonal extent of progress).

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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