I\'m thinking of writing simple application for Windows Mobile devices, where user could simply enter destination coordinates, and the app would calculate dista
There are a set of GPS classes in the OpenNETCF serial library.
GPS.NET is now available free on CodePlex.
I recently used open source SharpGPS. It's supposed to support more devices than the example in the SDK, but both solutions work on all my hardware.
SharpGPS did make it easier to access more structured information, such as satellites in view and where they are, and has a brilliant example app. But most of this will go unused in apps that need GPS info.
There's a sample GPS app in the Windows Mobile 5.0 SDK, but you'll need a fix for it.