March 16, 2006

More Managed RSS

I have been working on the managed wrapper for the Windows RSS API. The adapter layer is able to pull all the folders, feeds and items across into my object model. This can then be traversed using standard .NET foreach constructs, or even LINQ!
The wrapper is two-way, in that changes made to certain properties are pushed back to the Windows RSS store. I can even add new feeds and folders.
I am also working on the eventing system to receive notifications when the RSS store changes. These events will be pushed up through my model so .NET applications can respond. I'm still working the kinks out of the COM event handlers. I'm not sure if I'm hitting beta bugs, or if my code is wrong…

Here's a little taster of the wrapper in action:

FeedFolder root = FeedFolder.GetRoot();
root.FeedAdded += delegate(object sender, FeedAddedEventArgs e)
{
Console.WriteLine("Feed added: " + e.NewFeed.Url.ToString());
};

foreach (Feed feed in root.AllFeeds)
{
Console.WriteLine(feed.Title);
foreach (Item item in feed.Items)
{
Console.WriteLine(" " + item.Title);

if (item.HasEnclosure)
{
Console.WriteLine(item.Enclosure.LocalPath);
}
}
}


FeedFolder folder = root.AddSubFolder("Hello World");
folder.AddFeed("Me", new Uri("http://blogs.warwick.ac.uk/andrewdavey/?rss=rss_2_0"));

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