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80,259 News Articles

Microsoft makes Silverlight 2 available

Novell working on Linux version of Silverlight

Microsoft has made the Silverlight 2 browser plug-in technology for rich internet applications and its supportive development tools publicly available.

Silverlight 2 has "been kind of a unique release", in terms of widespread beta testing and deployment prior to its actual general availability, said Scott Guthrie, corporate vice president of the Microsoft .Net Developer Edition.

The technology already has been in use by web properties ni the US such as NBCOlympics.com, which streamed more than 70 million videos via Silverlight for this summer's Olympic games, Guthrie said.

"We've have a number of huge customers that went live starting as early as last March," Guthrie said. Additional customers, such as Blockbuster, are signing on this month, he added. The company also revealed plans to have Silverlight capabilities integrated into the open-source Eclipse IDE.

Silverlight 2 is cross-browser and cross-platform. It features a 4.5MB download size and installs in fewer than 10 seconds, Guthrie said. While version 1 of Silverlight was a fairly basic media plug-in for high-definition video, version 2 adds adaptive streaming, Guthrie said.

Also critical to version 2 is inclusion of a cross-platform subset of Microsoft's .Net Framework programming model supporting development in languages ranging from Visual Basic to C#, JavaScript, and Ruby. The framework can be 1,000 times faster than running JavaScript in a browser, Guthrie said.

Silverlight 2 supports a rich programming model, offering capabilities for data grids, calendar controls, sliders, and buttons. Control skinning and templating also are featured. The version 2 networking stack backs web services, Atom endpoints, and sockets. Application capabilities like deep zoom are enabled as well, and AJAX APIs are featured.

Concurrent with the release of Silverlight 2, Microsoft is supporting development of Silverlight applications in Visual Studio 2008, Expression Studio, and the free Visual Web Developer Express Edition. Development capabilities ship with Visual Studio 2. Visual Studio 2005 users will not, however, be able to build applications for Silverlight but can access the Visual Web Developer tool.

To enable Silverlight development in Eclipse, Microsoft is funding a project by Eclipse member Soyatec, which will lead a project to integrate advanced Silverlight development capabilities into the Eclipse IDE. The project is to be offered under the Eclipse Public License Version 1.0 on SourceForge and be submitted as an open Eclipse project.

NEXT PAGE: The Silverlight Control Pack



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