xna how to use a bitmap from photoChooser?

hi i got a bitmapImage from the optionMenuScreen and want to use it in the Ga开发者_StackOverflowmePlayScreen. do i have to convert it to texture2d? how? example please... in what class? how can i change the bitmap size or change it after its a texture? thanks

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As PhotoResult.ChosenPhoto is a stream, I'd try using Texture2D.FromStream (msdn)

System.Drawing is not supported on the phone.