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Sunday, August 15, 2010

Validating Data in Silverlight 4 Applications – IDataErrorInfo

by dwahlin via Dan Wahlin's WebLog on 8/15/2010 8:55:53 PM

Data validation is an important part of any application. If you've written code to validate data in Silverlight applications prior to the release of Silverlight 4, you've probably discovered that there isn't a great way to ensure that data is entered correctly and errors displayed properly by controls. The typical technique used for validating data was to throw exceptions within property setter blocks as data was found to be invalid. Controls bound to a property could be notified of a data valid ...

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Clarifying Balders feature set

by einar@dolittle.com (Einar Ingebrigtsen) via Einar Ingebrigtsen on 8/15/2010 7:20:49 AM

Hopefully I'm not forgetting anything (probably am) - but below is a clarification of what features Balder has.Coordinate system Balder uses a left-handed coordinate system - currently there is no way to change this, but there are plans for opening up for any coordinate system. Nodes Interaction - one can enable interaction on any nodes and they can be interactively manipulated during runtime Position coordinates Rotation coordinates, in angles for each axis Scale coordinates Hierarchical rende ...

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First Guide to MEF & Silverlight (Part–I)

by Kunal Chowdhury via Kunal's Blog on 8/15/2010 12:20:00 AM

MEF is a framework to extend your application and was introduced in .Net Framework 4.0 and Silverlight 4.0. Recently I got a chance to look around the MEF with Silverlight. I found it useful in various scenarios and thus thought to do something with MEF in Silverlight.   In this article I will first discuss little about the MEF framework to give you some basic knowledge on it and then will show you how to create a small HelloMEFWorld console application step-by-step. In the next article I ...

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