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News Photo of Tanzim Saqib Tanzim Saqib is a Senior Developer, who spent half of his life on software and worked for many companies like #1 .NET controls provider Telerik Inc, #1 personalized Web 2.0 start-page like Pageflakes (acquired by LiveUniverse). He developed many projects ranging from banking solutions for Citibank, HSBC, Wamu, Wells Fargo etc. to Paperless Virtual University. He is industry's earliest and leading widget developer and as know as "Widget Master" to his peers.

He is a preacher of Microsoft technologies. While he jams with the latest additions to .NET, in his spare time he blogs at, maintains his personal website, leads .NET Research group. writes articles.

He is an easy going, fun loving, and passionate technology individual who is open to any kind of business opportunity and professional relationship. He currently lives in Bangladesh, but travels anywhere in the world on professional demand.

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Someone had questions about the article recent I wrote on DotNetSlackers are:

“i am curious to know how you have hooked the DownloadPhotos to voltaControl1, is it hooked automatically, when added to the volta project, what is the case of using external flickr api ? Also, let me know what is the purpose of screen_name in voltaControl1.”

You might have the same questions, so to clarify, here are the answers:

Inside VoltaControl, PhotosLoaded event of FlickrHelper class is subscribed and FlickrHelper's DownloadPhotos is invoked so that as soon as the photo data is finished downloading, the subscriber (VoltaControl) is notified with the photo data, to manipulate the UI. Such events are not automatic, these are manually created inside FlickrHelper class.

If you'd like to use external Flickr API, you need to change the way how it works now. It's been designed to make a tiny widget with simple and least functionalities in order to demonstrate making of a Volta control.

screen_name is your Flickr account's screen name which is a required parameter to retrieve the "NSID" of your account which is necessary to build URLs to your photos.

Posted on Friday, January 18, 2008 8:08 PM Volta | Back to top

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