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windows vista for developers delivery guide phần 10

Tham khảo tài liệu 'windows vista for developers delivery guide phần 10', công nghệ thông tin, hệ điều hành phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 12 Session 4 Introducing the Windows Vista APIs Windows RSS Platform Overview Microsoft Windows RSS platform is an API that enables applications to manipulate the Common Feed List The Windows RSS platform components include r 1 The Common Feed List - The Feed store The Feed Download Engine As part of the RSS support in Microsoft Internet Explorer 7 users can discover and subscribe to RSS feeds within the browser. When the user subscribes to a feed the feed is added to the Common Feed List which is a collection of Really Simple Syndication RSS feeds that is available for other applications to use in addition to or instead of their own list. The Microsoft Windows RSS Platform is an application programming interface API that enables applications to access and manipulate the Common Feed List. You can use the Windows RSS Platform in your applications to Subscribe to new feeds and enumerate existing subscriptions. Easily access properties of feeds channels feed items and enclosures. Manage and organize feeds into folders. Listen for and respond to feed and feed folder events. Check the status of the background Feed Download Engine or modify settings. Normalize the Extensible Markup Language XML source of a feed. Microsoft I Learning Session 4 Introducing the Windows Vista APIs 13 Windows RSS platform components include The Common Feed List. A shared hierarchical representation of all the feeds to which the current user is subscribed. The Feed Store. The central location in Windows of your RSS feeds. The Feed Download Engine. The background process that merges new feed items and enclosures into the Feed Store. The Feed Download Engine automatically downloads the feed items from the source URL specified in the feed. These downloads can occur on a schedule or as requested by the user. The value of the Interval property and TTL time to live element of the feed determine how often the feed is downloaded. Microsoft I Learning 14 Session 4 Introducing the Windows Vista APIs .