Question

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Possible Duplicates:
What does WPF still have to offer over Silverlight 4?
Why change from WPF to Silverlight 4

I m working on a WPF application. We considered using Silverlight instead of WPF, but decided we want a full blown desktop application with the whole unique desktop application feeling and advantages that gives. However, starting today there has been a lot of buzz out there about Silverlight 4 being announced at PDC09, and people stating that there aren t many arguments left to choose WPF over Silverlight (4).

So; what s the buzz about Silverlight 4? Why can Silverlight now be used instead of WPF? And when should WPF still be used?

Answer 1

The fuzz is that Silverlight 4 will have many of the most commonly used features of WPF that were previously lacking.

The reason Silverlight 4 can be used instead of WPF is it now has the ability to run outside a browser and access the local filesytem.

WPF should still be used when you need features that aren t available in Silverlight 4. See answers to this question for a discussion of which features those are.

Answer 2

I m only speculating as to why, but I d imagine that the recent hype behind Silverlight 4 is simply because it s the latest thing to be announced. WPF has had its fair share of updates in .NET 4.0, so I don t think it s going anywhere.

One of the biggest differences between Silverlight and WPF is that Silverlight is sandboxed, so I still see a place for WPF in desktop applications.

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