Windows® API Code Pack for Microsoft® .NET Framework provides a source code library that can be used to access some features of Windows 7 and Windows Vista from managed code. These Windows features are not available to developers today in the .NET Framework.

The individual features supported in this version (v1.0.1) of the library are:

* Windows 7 Taskbar
o Jump Lists, Icon Overlay, Progress Bar, Tabbed Thumbnails, and Thumbnail Toolbars
* Windows Shell
o Windows 7 Libraries
o Windows Shell Search API support
o Explorer Browser Control
o A hierarchy of Shell Namespace entities
o Windows Shell property system
o Drag and Drop for Shell Objects
o Windows Vista and Windows 7 Common File Dialogs, including custom controls
o Known Folders and non-file system containers
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http://code.msdn.microsoft.com/WindowsAPICodePack