Turn on webcam from silverlight web site

I need to write some site that will be able to turn webcam of the user machine an开发者_如何学JAVAd when the user will click on some button ( that will on the site page ) the webcam will capture the user face and send the face to some server ( i already wrote the server ).

Is it possible to do it in silverlight ? Can i access webcam thru silverlight ?

Depends on what version of Silverlight and whether or not your application is running with extended rights. If it's SL4 and your app is Trusted, then yes.