Windows 7 API (Managed) Code Pack (former Windows Vista Bridge)
For developers that want to use Windows 7 features in maanged code - there was several oportunites:
a) use directly P/Invoke or COM+
b) use some kind of wrapper (most popular was/is Windows Vista Bridge)
Now, there is (almost) official version that you can download from here: Windows® API Code Pack for Microsoft® .NET Framework (v0.85)
The following is a short list of the APIs contained in the Windows API Code Pack:
• Support for Windows Shell namespace objects, including:
• Windows 7 libraries
• Known Folders
• Non-file system containers
• Windows Vista and Windows 7 Task Dialogs
• Support for Windows 7 Explorer Browser Control
• Support for Shell property system
• Windows 7 Taskbar
• Support for Windows Vista and Windows 7 common file dialogs, including custom file dialog controls
• Support for Direct3D 11.0 and DXGI 1.0/1.1 APIs
• Sensor Platform APIs
• Extended Linguistic Services APIs