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Support for Multiple Monitors
Document windows such as the Code Editor and the Design view window can float outside the IDE window, so you can drag the Code Editor and view it side by side with the Design view window.
Tools to Help You Quickly Explore Code
The new Code Editor makes code easier to read as you can zoom in on text and scroll with the mouse wheel. When you click a symbol in your code, all instances of that symbol are highlighted. A new Navigate To feature provides search-as-you-type support for files, types, and members. Navigate To enables you to take advantage of Camel casing and underscores to abbreviate your search text, so you can use for example, "AOH" to search for "AddOrderHeader."
ASP.NET 4.0 Support
Visual Studio 2010 comes with .NET Framework 4.0 and will support developing applications targeting Windows 7. NOTE: Our platform is at .NET 4.5.2 now and is backward compatible with .NET 4.0.
Improved Silverlight Development
Visual Studio 2010 will have integrated support for developing Microsoft Silverlight applications, including an interactive designer, and the designer support is the same for Silverlight as it is for WPF projects.
One Click Publish
You can publish to a server by using the Web Deployment Tool, FTP, and folder copying, in one click. Visual Studio stores all the setting information, such as publish method, server information, and user credentials.
You can configure your project to transform the web.config file during deployment, so that when you deploy a project, the settings in web.config automatically match the settings on your debug, staging, and production servers.
The Web Deployment Tool, also known as MS Web Deploy, allows you to package your Web application for deployment. The Web Deployment Tool is integrated into Visual Studio and enables you to create Web packages with one click.
Microsoft released LightSwitch 2011 out-of-band and can be integrated with Visual Studio 2010.