How can we read GPS in Silverlight 4 application?

I need to read the GPS receiver attached to a COM 开发者_开发知识库port.

How can we read GPS in a Silverlight 4 application?

Couple of option I can think of.

• In OOB (out of browser) mode you can access COM components to do pretty much anything. That does mean you will need a COM component to access your GPS.
• You can create javascript apps that can send information to the Silverlight component within the browser. I have seen this used to pass on card scanner information to a Silverlight app.