Using SilverLight to communicate to a USB device from browser

Hi Experts,
We have a ASPNET web application and now we have a new request: the client wants to communicate with their USB device using our application. They plug the device into their PCs, open a page of our web application and the page will communicate with the device to get some input. Of course the device must already have proper driver. Comunication here means reading some input from the device.

Someone said that we can use JAVA to do this. However, I also want to know if we can do this using Silver Light? Can someone give me a guide or a link which tells me how to do?

Thank you for reading.
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apb2Connect With a Mentor Commented:
Hi thuannguy

This is an interesting question. Off the top of my head i would say this isn't possible under the current sandbox enviroment. I for one wouldn't like a web site to have the capabilities of connecting to a device, witout some clear authorization.

I would look at creating an Xbap, the user can authorise the application to have greater permissions to gain connectivity to your usb device.

a usb device, like a camera, you will be able to upload files from this device use FileOpenDialog.

Like i said i haven't had a look into this and someone could prove me wrong.


thuannguyAuthor Commented:
After learning a bit about silver light, I found out that it doesn't allow us to access to higher security zones, and the local pc is counted as a zone. The safe-file-open may be the only one feature which allow us to upload file.
Anyway, thank for you help.
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