bluetooth Application with Microsoft Location API

Windows® API Code Pack for Microsoft® .NET Framework

http://code.msdn.microsoft.com/WindowsAPICodePack/Release/ProjectReleases.aspx?ReleaseId=3574

bluetooth sensor  driver
http://www.turboirc.com/gps7/

Namespace:  System.Device.Location
Assembly:  System.Device (in System.Device.dll)
http://msdn.microsoft.com/en-us/library/system.device.location.civicaddress.aspx

Identifying Bluetooth-enabled notebook computers

Bluetooth software is part of the Windows operating system; however, that does not mean that Bluetooth hardware is installed on a particular notebook. To determine if your notebook has Bluetooth hardware installed, refer to the product specifications for your particular notebook model.

Click Start , enter hp wireless in the search field, and then select HP Wireless Assistant from the list. The HP Wireless Assistant opens. The Wireless devices that are installed on your computer display. If you have Bluetooth, you will see Bluetooth listed.

Location API

http://msdn.microsoft.com/en-us/library/dd464636(v=VS.85).aspx

Other Links

http://www.turboirc.com/gps7/

http://contextresearcher.wordpress.com/2010/07/22/windows-7-location-awareness/