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Scott Guthrie: Inside Silverlight 3

47 minutes, 39 seconds


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Scott Guthrie, Corporate Vice President, leads the teams that create the .NET developer and designer technologies and tools. Silverlight 3 has arrived in beta form. Expression 3 also ships today in Preview form. Grab the bits and play. Provide feedback. OK. That's the housekeeping stuff. Now, on to this conversation with Scott. We talk about many things in this interview and weave the deeply technical view on Silverlight 3 with more surface level perspectives. So, if you're looking for bite size marketing messages, this video isn't for you Smiley

What are the significant changes/improvements/inventions in Silverlight 3? Silverlight 2 brought the world a cross platfrom CLR. How has the CLR changed in Silverlight 3? Silverlight 3 enables Silverlight to run outside the context of a browser. What does this mean, exactly? Silverlight and Many-Core? What has the significant real world feedback been like regarding Silverlight 2 and how has it helped shape Silverlight 3? How do you work with the Moonlight folks, exactly (see Miguel's perspective on this as well)? And much, much more. This is a typically long Charles interview and we travel around The Gu's globe of knowledge (which is vast - he's an engineer at heart).

Thank you, Scott, for spending so much of your valuable time for a Channel 9 interview that should prove most interesting to many folks who watch and listen.



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  • figuerresfiguerres ???
    WOW now thats a fast turn-around to a V3 beta.... now to see what all is in the beta....
  • Can we please have a better usability story for Silverlight 4. I want to do basic things like select text with my mouse, right click and copy-paste, mouse wheel scrolling for list boxes, Alt-Down for Combo boxes, Alt-Underlines for shortcuts and all the other basic stuff. Basically what was needed to be a certified win95 app.
  • Allan LindqvistaL_ Kinect ftw

    awsome, i thoght we'd have to wait until mix for stuff like this Big Smile cant wait to watch it, scott is always great, also cool to see charles in frame  Smiley

  • CharlesCharles Welcome Change
    Mix is happening already, so the wait is over.
  • Allan LindqvistaL_ Kinect ftw
    omg i,ve got the dates wrong :O im confusing mix with gdc (game dev conference)

    (of course) you're right, i ve got sooo much stuff i want to watch, there wont be much sleepng tonight Smiley
    thanks for settign me straigt charles Smiley

    aac support in SL is great btw Smiley

    element to element binding! ive been missing that so much

     on demand framework download is also GREAT

    pixelshaders and out-of-browser support too? damns guys.. i though sl2 was cool but this takes it to a new level :O and im barely 10 minutes in to the video Smiley its going to be a inspiering couple of days Smiley

    --edit4, totaly of topic--
    hey charels, what did you to on your arm ? looks like a cat scratched you or something Smiley

    lol @ playboy in sl3, esp, deepzoom Big Smile
  • Vesuviusvesuvius Count Orlock
    Languid, informative and resplendent!
  • CharlesCharles Welcome Change
    Languid, eh? Too long?
  • Vesuviusvesuvius Count Orlock
    No, not too long, just very relaxed, almost like a Sunday morning.

    Scott has that rare quality of always being engaging, there was a lot to discuss, and some things that will make using Prism less difficult, like binding to another control in the same XAML.

    What I cannot believe, is that a subsequent version is smaller than the previous, especially with all the new features. I had always seen the archilles heel of Silverlight being 4MB->7MB->15MB between versions, but this is headline news.

    The compression may have been improved, but knowing that Silverlight 2 needed to have as small a footprint as possible, must mean that very dark arts are being practiced by the team.
  • rhmrhm
    "we can hydrate your machine"

    Nice! Smiley
  • figuerresfiguerres ???
    Not to speak for the Sl team folks but as I recall they said keyboard support for some stuff was a pia.
    not all keyboards on all systems use the same scan codes for some keys.

    pc keyboards do but another OS has some very odd ways of doing stuff.

    and recall that SL is meant to work on a number of systems...
  • ZippyVZippyV Fired Up
    No webcam support = fail.
  • Nah, just right.

    It looks like the layout system still only supports render transformations and not layout transforms. Is this correct?

    It's been the subject of much pain for me in the past. If it weren't for David Anson's implementation, I'd be sunk a hundred times over.

  • CharlesCharles Welcome Change

    I burned myself while taking something out of the oven. Not sure what it was (which is probably related to why I burned myself -> drinking ethanol infused liquids and cooking....)


  • Shipshipra hi
    I installed Microsoft Expression3 from the link given above and ran the Silverlight 3 samples (Memory Card & Image Gallery). They are prompting me to install the latest version of Silverlight , which i thought was 3, but the FW link still goes to the 2.0 installer. Hence the local site complains even after successful installation.

    However the WPF samples are great. Nice to see silverlight running in WPF.
  • CharlesCharles Welcome Change
    Did you install the SL3 bits that are linked to above? If not, why not?
  • Allan LindqvistaL_ Kinect ftw
    ouch Perplexed ive burnt myself on ovens and it sucks Tongue Out hopefully the liquids you imbibed eased the pain Smiley
    great video still Wink
  • Bent Rasmussenexoteric stuck in a loop, for a while
    Scott really knows how to argue a case. This really sounds compelling. The talk about the sketch templates and navigation made me think about Workflows and Workflow Foundation. Might be an interesting piece to add to the Silverlight equation. Even a hosted Workflow designer showing the current state of a workflow, manual or automatic. And with browser-hosted databases starting to become a reality, even something such as "Oslo" in the browser and model-driven Silverlight.
  • DCMonkeyDCMonkey What?!?
    Yeah, I find it odd that MS is pushing SL for LOB apps when it's missing such basic amenities.
  • Edward MoemekaMoemeka Me

    okay okay. I dont care about nasty fonts anymore.  Expression Blend 3 is off the chain!  I can actually mova and resize the toolbar and other panes!  Code IN the designer !  but wait, there's more.
    We've got SaveFileDialog, NavigationServices, etc. 

  • Not to flog a dead equine, but the lack of a low-level Drawing API (like WPF, Flash, and other RIA frameworks offer) really limits the applicability of Silverlight to line of business applications (and games) that need large #'s of graphical elements/shapes.  A classic example would be a complex chart, which just isn't performant in SL today due to the need to create (in some cases) tens of thousands of shape objects.

    I would REALLY like to see more compatibility with WPF (and more parity with Flex/Flash) in this area, and SL3 would be a great place to do it.  Odds are that the rendering engine in SL has such an API, but just doesn't expose it...

  • This really sounds great! I can't wait for my VM to install and configure.
    BTW. I just jad an idea, MS has SQL CE and it is just files, SL has a local storage for files. It would be really great if SL had a SQL CE driver built in and all SQL APIs exposed. That would be really killer feature for offline apps. No need for g***** gears.
  • Sven GrootSven Groot Don't worry... I'm a doctor.
    Youch! I burned myself on an oven a few years ago and you can still see the scar on my left arm.
  • As always Charles, stunning interview. Scott is one of those rare people who can talk in generalizations and not stumble over what he's saying or sound like he's reading form cue cards.

    I can't wait to try Silverlight 3 and with GPU support, it's going to be even more interesting.

    Thanks for kicking *!

    p.s..  I keep receiving the error, "toolbar could not be found" after I comment, I'm using Firefox btw.
  • CharlesCharles Welcome Change
    Thanks for the kind words. Indeed, Scott rocks. He's a VP who is also a software engineer and a true geek. Great stuff.

    I'll pass the toolbar issue to Duncan for a look-see.

  • CharlesCharles Welcome Change
    Interestingly, I had no idea this happened until my girlfriend pointed it out. As you get older, apparently your sensory system weakens...

  • Great interview, both of you guys. I like the relaxed feel to the whole thing. Very informative as well. Great job, Charles and Gu. 
  • CharlesCharles Welcome Change
  • Ian WalkerIan2 In geeks we trust ...
    Who travels coast to coast, hangs out with Playboy babes and then comes up with two, completely different, but still completely engaging keynotes?

  • Totaly agree, I was hoping those features for SL3 but ... Smiley

    Anyway it will be a great update for SL, i hope as we develop in SL much and much more SL will be more and more exciting in the upcomming releases.
  • Hi Charles, Scott G

    Great interview, very informative & to the point.

    1. Would love to hear few case-studies, on new feature implemnentations
    2. If we can get some demo on "Expression Blend" that was spoken about in this video, that would be a great selling point for us to our customers (end-to-end demo please)
    3. Is there any focus on conducting a Training session on "How to use Expression Blend" in a real-life scenario.  I see quite a few webcasts/demos, a free training session would be appreciated.
  • CharlesCharles Welcome Change

    Glad you enjoyed the conversation! Watch this video for an Expression 3 intro and tour: http://channel9.msdn.com/shows/Continuum/First-Look-at-Expression-Blend-3/

  • synergeticssynergetics

    Thanks for sharing this informative article.
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