The Channel Definition Format (CDF ) is an XML standard, which in conjunction with the Microsoft technologies designed by Active Channel and Offline Favorite (English Offline Favorites) will be used.
He used to structure the content of websites.
The standard is in some ways similar to the RSS standard that was developed by Netscape some years after the publication of CDF ( in 1997).
The standard and the Active Channels were introduced with the release of Internet Explorer 4.0.
Offline Favorites have been introduced with version 5.0.
With the release of Internet Explorer 7, the standard in favor of RSS was dropped back.
Active Channels allow the user to list sites on his desktop and sync.
Offline Favorite Channels allow as well as to retrieve web pages from the cache.
In contrast to the idea of Active Channels RSS was not accepted to a great extent and they are only used sporadically.
Example
An ordinary CDF file:
< CHANNEL HREF = " http://domain/folder/pageOne.extension "
BASE = " http://domain/folder/ "
Lastmod = "In 1998 -11- 05T22: 12"
Precache = "YES"
LEVEL = "0">
Title of your Channel </ TITLE>
<abstract> Synopsis of your channel 's contents. </ ABSTRACT >
<schedule>
<INTERVALTIME DAY="14"/>
</ SCHEDULE >
<LOGO HREF="wideChannelLogo.gif" STYLE="IMAGE-WIDE"/>
<LOGO HREF="imageChannelLogo.gif" STYLE="IMAGE"/>
<LOGO HREF="iconChannelLogo.gif" STYLE="ICON"/>
< ITEM HREF = " pageTwo.extension "
Lastmod = "In 1998 -11- 05T22: 12"
Precache = "YES"
LEVEL = "1">
<TITLE> Page Two's Title </ TITLE>
<abstract> Synopsis of Page Two's contents. </ ABSTRACT >
<LOGO HREF="pageTwoLogo.gif" STYLE="IMAGE"/>
<LOGO HREF="pageTwoLogo.gif" STYLE="ICON"/>
< / ITEM >
</ CHANNEL >
see also
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