Silverlight 4 Release Candidate steht zum Download bereit
Microsoft hat auf der MIX Conference in Las Vegas den Release Candidate des Flash-Konkurrenten Silverlight 4 vorgestellt und zum Download freigegeben.
Im Vergleich zur Silverlight 4 Beta die Microsoft im November veröffentlichte, kamen keine neuen Funktionen dazu. Es wurde vor allem daran gearbeitet, die Stabilität und Zuverlässigkeit von Silverlight 4 zu verbessern. Die finale Version soll im April 2010 erscheinen.

Microsoft Silverlight ist eine browser- und plattformübergreifende Implementierung von .NET Framework zum Erstellen von Mediendarstellungen und Rich Internet Applications für das Web.
Die folgende Dateien stehen im Download Center zum Download bereit:
Ensure that you have the latest Visual Studio 2010 or Visual Web Developer Express 2010 installed as it is a prerequisite for developing Silverlight 4 applications using Visual Studio.
Below are the additional tools you’ll want to get started:
Silverlight 4 Tools for Visual Studio 2010
This will install the developer runtime of Silverlight 4, the Visual Studio project support and the Silverlight 4 SDK. If you are developing Silverlight 4 applications, this will be the minimum you want to install!
Silverlight 4 Tools for Visual Studio 2010 -> Silverlight4_Tools.exe
Silverlight 4 Software Development Kit -> Silverlight_SDK.exe
Silverlight 4 Release Candidate - Windows Runtime or Mac Runtime
If you installed the tools above, you will get the developer runtime and there is no need to install again. These downloads are being made available for test machines for the Windows and Mac platforms for your applications.
Silverlight 4 Release Candidate Windows Runtime -> Silverlight_Developer.exe
Silverlight 4 Release Candidate Mac Runtime -> Silverlight_Developer.dmg
Microsoft® Expression Blend™ 4 Beta
This is a beta version of Expression Blend that will enable authoring of Silverlight 4 applications. Expression Blend 4 Beta enables you to create Silverlight 3 and Silverlight 4 applications for the web, and Windows Presentation Foundation (WPF) 3.5 with Service Pack 1 (SP1) and WPF 4 applications for the desktop.
http://www.microsoft.com/downloads/details.aspx?FamilyID=6f014e07-0053-4aca-84a7-cd82f9aa989f&displaylang=en
Download -> Blend_Trial_en.exe
Find out more about what's new in Expression Blend 4 Beta.
Silverlight Toolkit
The Silverlight Toolkit has been updated to provide support for Visual Studio 2010 and Silverlight 4 development. The Toolkit provides numerous controls for your application and source code is also included for these controls using an Open Source license.
http://silverlight.codeplex.com
WCF RIA Services
Microsoft WCF RIA Services simplifies the traditional n-tier application pattern by bringing together the ASP.NET and Silverlight platforms. The RIA Services provides a pattern to write application logic that runs on the mid-tier and controls access to data for queries, changes and custom operations.
http://www.silverlight.net/getstarted/riaservices/
Silverlight 4 Release Candidate Offline Documentation
This package contains the developer documentation for Silverlight 4 Release Candidate
http://www.microsoft.com/downloads/details.aspx?FamilyID=b6127b9b-968c-46c2-8cb6-d228e017ad74&displaylang=en
Download -> Silverlight_4_RC_docs.zip
Once you have the tools you need to get started, view more information below to walk you through some of the new features in detail and download some sample code.
What’s New in Silverlight 4?
Silverlight 4 delivers a full suite of powerful capabilities to business application developers, bringing the best-of-breed .NET platform to browser-based experiences. Silverlight provides an ideal platform for developing and deploying modern business applications for both customer facing and staff-facing applications.
Business Application Development
Silverlight 4 consolidates its position as the natural choice for building business applications on the Web:
New Features for Application Developers
- Comprehensive printing support enabling hardcopy reports and documents as well as a virtual print view, independent of screen content.
- A full set of forms controls with over 60 customizable, styleable components. New controls include RichTextbox with hyperlinks, images and editing and Masked textbox for complex field validation. Enhanced controls include DataGrid with sortable/resizeable columns and copy/paste rows.
- WCF RIA Services introduces enterprise class networking and data access for building n-tier applications including transactions, paging of data, WCF and HTTP enhancements.
- Localization enhancements with Bi-Directional text, Right-to-Left support and complex scripts such as Arabic, Hebrew and 31 new languages including Vietnamese and Indic support.
- The .NET Common Runtime (CLR) now enables the same compiled code to be run on the desktop and Silverlight without change.
- Enhanced databinding support increases flexibility and productivity through data grouping/editing and string formatting within bindings.
- Managed Extensibility Framework supports building large composite applications.
- Exclusive tooling support for Silverlight, new in Visual Studio 2010. Including a full editable design surface, drag & drop data-binding, automatically bound controls, datasource selection, integration with Expression Blend styling resources, Silverlight project support and full IntelliSense.
Developer tools
- Fully editable design surface for drawing out controls and layouts.
- Rich property grid and new editors for values
- Drag and drop support for databinding and automatically creating bound controls such as listbox, datagrid. New datasources window and picker.
- Easy to pick styles and resources to make a good looking application based on designer resources built in Expression Blend.
- Built in project support for Silverlight applications
- Editor with full intellisense for XAML and C# and VB languages.
Empowering richer, more interactive experiences
Silverlight is already in use as a comprehensive platform for building rich experiences both for application and pure media scenarios including HD quality, interactive video through Smooth Streaming. Silverlight 4 introduces additional capabilities to enable creation of ever more rich, appealing high-performance interactive experiences and innovative media experiences:
- Fluid interface enhancements advance application usability through animation effects.
- Webcam and microphone to allow sharing of video and audio for instance for chat or customer service applications.
- Audio and video local recording capabilities capture RAW video without requiring server interaction, enabling a wide range of end-user interaction and communication scenarios for example video conferencing.
- Bring data in to your application with features such as copy and paste or drag and drop.
- Long lists can now be scrolled effortlessly with the mouse wheel.
- Support conventional desktop interaction models through new features such as right-click context menu.
- Support for Google’s Chrome browser.
- Performance optimizations mean Silverlight 4 applications start quicker and run 200% faster than the equivalent Silverlight 3 application.
- Multi-touch support enables a range of gestures and touch interactions to be integrated into user experiences.
- Multicast networking, enabling Enterprises to lower the cost of streaming broadcast events such as company meetings and training, interoperating seamlessly with existing Windows Media Server streaming infrastructure.
- Content protection for H.264 media through Silverlight DRM powered by PlayReady.
- Output protection for audio/video streams allowing content owners or distributors to ensure protected content is only viewed through a secure video connection.
Move beyond the browser
Silverlight 3 pioneered the delivery of a new class of Rich Internet Applications to work on the desktop without additional code or runtimes. Silverlight 4 extends this capability:
For Sandboxed applications
- Place HTML within your application enabling much tighter integration with content from web servers such as email, help and reports.
- Provide support for ‘toast’ notification windows, allowing applications to communicate status or change information while the user is working on another application through a popup window on the taskbar.
- Offline DRM, extending the existing Silverlight DRM powered by PlayReady technology to work offline. Protected content can be delivered with a persistent license so that users can go offline immediately and start enjoying their content.
- Control over aspects of UI include window settings such as start position, size and chrome.
For Trusted applications
- Read and write files to the user’s MyDocuments, MyMusic, MyPictures and MyVideos folder (or equivalent for non-windows platforms) for example storage of media files and taking local copies of reports.
- Run other desktop programs such as Office, for example requesting Outlook to send an email, send a report to Word or data to Excel.
- COM automation enables access to devices and other system capabilities by calling into application components; for instance to access a USB security card reader.
- A new user interface for requesting application privileges access outside the standard Silverlight sandbox.
- Group policy objects allow organizations to tailor which applications may have elevated trust.
- Full keyboard support in fullscreen mode richer kiosk and media applications.
- Enhancements to networking allow cross-domain access without a security policy file.
- Custom Window ‘chrome’ to provide a highly branded experience
To learn more about these features, visit the MIX10 site to view sessions from the conference!
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