The Windows® API Code Pack for Microsoft® .NET Framework provides support for various features of Windows 7 and previous releases of that operating system. The Code Pack has  reached version 1.0 and has been published on Code Gallery:

• Download it
• Read about it
• Discuss it
• Report bugs

Here are some of the features you can from managed code using the Code Pack:

• Windows 7 Taskbar Jump Lists, Icon Overlay, Progress Bar, Tabbed Thumbnails, and Thumbnail Toolbars.
• Windows 7 Libraries, Known Folders, non-file system containers.
• Windows Shell Search API support, a hierarchy of Shell Namespace entities, and Drag and Drop functionality for Shell Objects.
• Explorer Browser Control.
• Shell property system.
• Windows Vista and Windows 7 Common File Dialogs, including custom controls.
• Windows Vista and Windows 7 Task Dialogs.
• Direct3D 11.0, Direct3D 10.1/10.0, DXGI 1.0/1.1, Direct2D 1.0, DirectWrite, Windows Imaging Component (WIC) APIs. (DirectWrite and WIC have partial support)
• Sensor Platform APIs
• Extended Linguistic Services APIs
• Power Management APIs
• Application Restart and Recovery APIs
• Network List Manager APIs
• Command Link control and System defined Shell icons.