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The Future of C#


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Please Note: This session will be repeated on October 29th at 3:00PM. In this talk Microsoft Technical fellow and C# Chief Architect Anders Hejlsberg outlines the future of C#. He describes the many forces that influence and shape the future of programming languages and explain how they fit into C#.
  • Anders Hejlsberg
    Anders Hejlsberg is a Technical Fellow in the Developer Division. He is an influential creator of development tools and programming languages. He is the chief designer of the C# programming language and a key participant in the development of the Microsoft .NET framework. Since its initial release in 2000, the C# programming language has been widely adopted and is now standardized by ECMA and ISO. Before his work on C# and the .NET framework, Hejlsberg was an architect for Visual J++ development and the Windows Foundation classes. Before joining Microsoft in 1996, Hejlsberg was one of the first employees of Borland International Inc. As principal engineer, he was the original author of Turbo Pascal, a revolutionary integrated development environment, and chief architect of its successor, Delphi. Hejlsberg co-authored "The C# Programming Language", published by Addison Wesley, and has received numerous software patents. In 2001, he was the recipient of the prestigious Dr. Dobbs Excellence in Programming Award. He studied engineering at the Technical University of Denmark.


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  • Lars Corneliussenlcorneliuss​en Lars Corneliussen
    Great! Can't imagine beeing there is any better Smiley
  • Is there a way to download the Video.  My broadband connection is not fast enough to stream the video.

  • John Melville-- MDJohn Melville-- MD Equality Through Technology
    My "broadband" isn't up to snuff either.  (Nothing sucks more than paying $100 a month for max 30k/second, but when you live 30 miles north of the arctic circle I guess you learn to deal with it.)

    Anyway, mucking arround in the view source reveals this URL:


    and my download manager seems to take it.  Ask me in 6 hours if it worked.
  • Sparkywil2300 Super #
    You can download if you use Firefox and the Video DownloadHelper [https://addons.mozilla.org/en-US/firefox/addon/3006]

    Start playing the video and the little VDH icon will be animated, just click on it and do a "Save As.." [works for tons of other embedded video sources as well]
  • I tried to listen to this presentation a number of times and every time the stream hangs up.  Its frustrating.  Can you up load the presentation on Azure?
  • waltalwaltal Walt Lounsbery

    To download the video:

    1. Hover the pointer over "Downloads" (in the bar below the description and the "Resources" link)

    2. You will see the video link appear below "Downloads"

    3. Right click on the video link and choose "Save Target As..." to download the video.

    Notice that the Resources includes the link to the PowerPoint slides.

  • Impressive.

    If I could've been there I would have applauded.  I'm very excited to see the direction Microsoft is taking their core and language features.

    Fantastic job!
  • Daniel PortellaPortella Portella
    Anders, I want to have your babies ^^ if it was possible.

    In serious note, the presentation was very good, i got the same felling when you did the channel9 cast on LINQ. It seems to me that when ever you make your appereance we have some new and fantastic tools to play with. 

    Thank you

    Please continue the good work and send my regards to the team.

    Daniel Portella
  • Wow! Right now, I would kill for the "compiler as server" functionality...
  • Anders you are the ONE........
    compiler services you mentioned in the end of the show is awesome.
    keep going. 
  • This is so amazing that I almost crapped my pants . . . Compiler as Service is darn awesome. The named default parameters are pretty awesome too, I have been missing them since C.

    The "dynamic" stuff needs to be taken with criticism - I guess many untrained developers such as students might mistake C# for a scripting language. I am afraid of the day I get a piece of code saying 1000x dynamic and a 1000 times var and not a single type name in it. . .
  • That surely was an impressive presentation, but I also have some questions:
    Refering to the example he brought with the Method WriteBag(), I'm wondering what would have happened if he wrote AvgPrice instead of Price.
    Calling the method with the dynamic type - for my opinion - woul have thrown some kind of "IndexOutOfRange" exception because this Property was not in the bag.
    Calling it with the var, I guess would throw a "MissingMemberException".

    Without any intellisense I'm wondering how you really would write code in the way he showed that office example. I guess I don't even know all my methods of the code I have ever written, so I might really be unable to just go on and type: > myObject.SomeMethod(withTheRightArguments)
    without any IntelliSense. I might not know what I'm actually calling there. So I guess developers would write code with static typing and then refactor it to dynamic? No they won't.

    The compiler as Service is quite nice, but I guess you can find about hundrets of Scripting-Hosts written in C# doing in memory compile and further more. I for my self have just do this by calling one of my classes: Active.DynamicClassCompiler.Compile(string code) and I could go on with the compiled class ...

  • Where do we go to provide feedback on C# so that Anders and his team will get the feedback?
  • Hi, can you guys (and by that I mean many of the PDC talkers) please avoid having white text on yellow background and similar clashing colors? Smiley
  • Daniel PortellaPortella Portella
    /emote "Anders points his keyboard at you"
    /say Anders "gief me all you got!"
  • Daniel PortellaPortella Portella
    at the c# future discussion board in the msdn forums i think if not try the codeplex project there you will find the link for it.
  • magicalclickmagicalclick Leaving WM on 5/2018 if no apps, no dedicated billboards where I drive, no Store name.
    Amazing. The compiler as service is the future although I don't have any use for now. The new interop improvement is really great. And dynamic type is really nice for certain situaltions. Instead of using function pointers, I can use dynamic object and call the functions.
  • You can try add a comnent there http://code.msdn.microsoft.com/csharpfuture

  • Hi,
    It's Awesome! I was wondering that I can use just dynamic keyword, Why bother for the data type Smiley But again there are some pros and cons of dynamically typed.

    Great Work C# Team (Y)
  • This is nice one,

  • feifeifeifei

    good    I   admire  you so much ?    and I like C# so much ! haha

  • edyshoredyshor

    Good to see that the recently euthanized Visual Foxpro features (eval/dynamic compile) are slowly integrated into C#. Smart move, those things are useful as hell.

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