View source for Windows 7 Sensors and Location

== Step 1 install SDK ==

Wikipedia take on the [http://en.wikipedia.org/wiki/Microsoft_Windows_SDK Windows SDK]

[http://www.microsoft.com/en-us/download/details.aspx?id=3138 SDK] version 7, for .Net 3.5 SP1

[http://www.microsoft.com/en-us/download/details.aspx?id=8442 SDK] version 7.1, for .Net 4.0

I have to use .Net 3.5 because I am building an ESRI ArcGIS Engine 10.0 application.
Your needs might be different.

== Step 2 ==

Write some code. See the samples. Note they are for C++. 
See the other samples.