What's coming in .NET 4.0

John-Daniel Trask

• Co-founder
• Mindscape
• DEV302

Agenda – Upcoming bits and pieces

• .NET in review
• New CLR Goodness
• Code contracts
• C#4.0
• Visual Basic 10
• Windows Foundation
• ASP.NET 4.0

Anti-agenda – what we won’t be covering

• · Parallel Extensions
• · Entity Framework
• · F#
• · VS.NET 2010

.NET CLR Enhancements

• · Side by side in process support
• · DLR Inclusion
• · Crazy ass language support
• System.Numerics, Tuples
• · Parallel extensions
• · Code contracts
• · New security model

Code Contracts

• · Manage the expectations of software
• · System.Diagnostics.Contracts
• · Both runtime and compile time checking
• · Specify contracts on interfaces

C# 4.0 – Language improvements

• · Dynamic typing
• · Generic variance
• · Optional parameters
• · Named arguments
• · COM Interop Enhancements

Visual Base 10 – Language improvements

• · Implicit line continuation support
• · Lambda improvements
• Multi-line lambdas
• Lambdas do not require return values
• Multiple statement lambda expressions
• · Automatic properties
• · Collection initializers
• · Generic variances supporters

Windows Presentation Foundation – Framework improvements

• · Improved font rendering
• · Windows 7 multi-touch support
• · Windows 7 task bar extensibility
• · Ribbon control
• · Data grid control
• · Many other improvements
• · Slack demoware L

Summary – our time is coming to an end

• · Many nice improvements
• · Explore code contracts
• · Start exploring Beta 2 when released