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New Developer-Centric Tools in MS Visual Studio 2011 and .NET 4.5

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It's that time again! Microsoft has a new version of the .NET framework and Visual Studio. In this article, the most promising features and tools of Visual Studio 2011 are described.

 

In September, the good folks at Microsoft released an evaluation version of Visual Studio 2011, called Visual Studio 11 Developer Preview, together with .NET Framework 4.5. It appears that this release of Microsoft's flagship development environment is moving toward a somewhat revised and smarter model. The recently released VS platform indicates Microsoft has plans to provide Windows applications that are more touch-centric, intuitive, and device-aware.

 

In a nutshell, this release provides some slick new programming models, such as MVC 4 (to create Metro Style apps), and comprehensive support for asynchronous data and program operations, plus intriguing new development tools, such as an all-JavaScript project template.

 

Deployment of applications is being given a more contemporary model in which applications can be downloaded, installed, executed, and uninstalled without unalterable changes to the operating system. Further, we should not be surprised to be shopping for mainstream applications for various devices at the Windows App Store before long.

 

Not all is rosy, however. One minor criticism can be leveled against the bloated Visual Studio development environment: it's the IDE that can't say "no." Performance is sluggish within the development environment itself. This isn't exactly new with VS 2011, but it's certainly more acute. But that's a small matter; just buy more-powerful development computers, right?

Engineered Development Cycle and VS Languages

Microsoft has furthered its cradle-to-grave approach to application development, where the entire software lifecycle is modeled to assist with…

  • Application architecture
  • User interface design
  • Code development
  • Code insight and development
  • Testing and validation
  • Packaging and deployment

 

Visual Studio has included a source code management system through the Team Foundation Server, and this release has been enhanced to provide improved support for version control and compatibility with previous .NET releases.

 

As with prior versions of VS, we have our choice of a development language, but the most significant new feature in VS 11 language options may be support for a JavaScript-only project—a promising and convenient approach to developing traditional client applications on a device-independent platform. In actual practice, supported Visual Studio languages include these:

  • JavaScript with HTML5 and CSS3
  • C#
  • Visual Basic (VB)
  • C++

(Note: C#, VB, and C++ are all engineered for Windows 8's XAML paradigm.)

New Features in Visual Studio 2011

Although Microsoft is not making hard-and-fast promises for the final release of Visual Studio 2011, the more interesting new features in the Developer's Preview currently include the following:

 

Support for Metro Style Applications

Visual Studio has made it easier to develop applications that are touch-controlled, can support a split or filled view, and are device-aware—that is, apps that resemble how other popular devices operate, like Android or iPhone. (Note that Metro Style apps require underlying support provided by Windows 8.) More on Metro Style apps later.

 

Game Development 

Microsoft has added new tools to Visual Studio to help game developers become more innovative and productive. VS 11 includes tools for editing, visual design, and visual debugging of 2D and 3D games and Metro Style applications. Visual Studio Graphics includes tools for performing these tasks:

 

  • Viewing and basic editing of 3D models in Visual Studio 11
  • Viewing and editing of images and textures with support for alpha channels and transparency
  • Visually designing shader programs and effect files
  • Debugging and diagnostics of DirectX based output
  • Integrating with MS Expression Blend, developing browser-based applications to provide a more accurate rendering during user interface design

 

See MSDN page "Enhancements for Game Development" for screen shots and examples.

 

Source Code Analysis for Refactoring

You can use the Code-Clone Analysis tool in VS 11 to intelligently examine your source code, looking for duplicated logic and refactoring this code into one or more methods. MSDN explains: "The tool does this very intelligently; it does not just search for identical blocks of code; rather it searches for semantically similar constructs using heuristics developed by Microsoft Research."

 

Code Review Workflow with Team Explorer

This tool facilitates ad hoc code review and task assignments for multiple-developer projects through integration with MS Team Foundation Server.

 

Exploratory Testing and Enhanced Unit Testing

This tool allows agile unit testing and logging to be added to a project without requiring formal test cases or test suites.

New for C# and Visual Basic

MS offers some new stuff for C# and VB programmers too.

 

New C# and VB Keywords

Code for async processing is now generated by the compiler with new keywords "async" and "await."

 

New VB Features (Previously Implemented in C#)

VB now supports iterators, call hierarchy display in IDE (shows method calls and overrides,) and a global namespace.

 

New for .NET Framework 4.5

Several new or enhanced features are incorporated into the .NET 4.5 framework.

 

Culture and Localization Support

New features include built-in mechanisms for language support and for proper date, time, currency, and number formatting.

 

Custom Reflection

This new feature allows use of a customized reflection context to override default reflection behavior using an instance of the CustomReflectionContext class.

 

Enhancements to Managed Extensibility Framework (MEF)

MEF is used in large applications to assist with component coupling and code reuse. Improvements within the MEF library allow generic typing and new name-based conventions as a programming model.

 

Asynchronous File I/O for C# and VB

This task-based model allows for performing file operations asynchronously.

 

New for ASP .NET

ASP .NET was also a recipient of some upgrades.

 

Better Support for HTML5 and CSS3

Although limited support for HTML5 was made available for VS2010 under Service Pack 1, VS 2011 more fully implements basic functional fixes for HTML5 editing and support for CSS3 intellisense.

 

Control-to-Data Binding

This enhanced model enables converting to and from .NET framework types.

 

Improved Web Application Performance and Support

Other new or enhanced Web programming support includes better performance for client-side JavaScript, support for WebSocket protocol, support for reading and writing HTTP requests asynchronously and for async modules and handlers, and improvements in IPV6 support.

 

MVC 4  

Model View Controller (MVC) is a structured architecture for building versatile and scalable ASP.NET applications using well-established design patterns. MVC 4 extends the features, mostly to accommodate mobile computing devices.

New for Windows Presentation Foundation (WPF)

WPF also benefitted from some upgrades.

 

Ribbon Control

The quick-access toolbar includes a menu and tabs.

 

Interface Improvements

New features offer support for live shaping (a means of sorting and updating a displayed collection of data without an additional server call) and better control repositioning.

 

Data Binding

WPF now offers binding to static properties and custom objects, a disconnect detection feature, and the ability to force a physical write to a data source based on elapsed time.

 

Event Handling

Improved support for weak event design pattern implementation is new in WPF.

New for Windows Communication Foundation (WCF)

 

Improvements in Communications

New WCF features include simplified configuration of communication objects, better compatibility, and new support for asynchronous data streaming.

Metro Style Applications

Of particular interest and an enabler of future directions for Microsoft development strategies is VS 2011's support for Metro Style applications. Metro apps are about the experience. They provide a full-screen view where even the operating system ducks out of the way, plus a smaller "snapped" view for multi-tasking and switching between active applications.

 

Metro app developers are assisted in making their programs more intuitive and responsive to users' needs. Apps should be attractive and engaging, with "tiles" that draw the user in and encourage them to revisit the app in the future.

 

Metro apps are also designed to be touch-responsive and able to react to different device form factors. Some Metro apps will be able to share content with other devices and to access social networking resources. The enterprising Microsoft developer would do well to explore this new approach to Windows programming.

Some Visual Studio 2011 Web Sites

Please see the following for more information:

Chris Peters has 32 years of experience with IBM midrange and PC platforms. Chris is president of Evergreen Interactive Systems, a software development firm and creators of the iSeries Report Downloader. Chris is the author of i5/OS and Microsoft Office Integration Handbook, AS/400 TCP/IP Handbook, AS/400 Client/Server Programming with Visual Basic, and Peer Networking on the AS/400. He is also a nationally recognized seminar instructor and a lecturer in the Computer Science department at Eastern Washington University. Chris can be reached at This email address is being protected from spambots. You need JavaScript enabled to view it..


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