Northeast Roadshow: New Language Support in .NET 4


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  • Mid Quality WMV (Lo-band, Mobile)
  • MP3 (Audio only)
  • MP4 (iPhone, Android)

In this brief screencast, Jim O'Neil, Developer Evangelist in the Northeast, walks through a few quick demos of some of the new language features (in both Visual Basic and C#) that were introduced with .NET 4 and Visual Studio 2010.

If you're looking for a particular feature, you can fast forward based on the following timeline:

  • [0:12] Welcome
  • [0:40] Visual Basic - multi-line lambdas
  • [1:20] Visual Basic - the "unemployed underscore"
  • [1:35] Visual Basic - list initializers
  • [2:06] C# - default and named parameters
  • [3:30] C# - dynamic keyword
  • [4:56] C# - contravariance
  • [6:00] F# - 'new kid on the block'

Slides for this session and other Northeast Roadshow sessions, can be found on the Code Gallery.


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