Our app uses PInvoke very often (image processing, webcam handling written in C++), as I know this is contradict with SilverLight. -- View this message in context: http://mono.1490590.n4.nabble.com/Winform-on-64-bit-OSX-tp3225031p3225506.html Sent from the Mono - OSX mailing list archive at Nabble.com.