Ok, Looking throu appkit.cs, if found that NSFilenamesPboardType is in C# called NSFilenamesType. I will look tonight to see if I get a little further to get it working. Thanks. -- View this message in context: http://mono.1490590.n4.nabble.com/RegisterForDraggedTypes-tp3618409p3622469.html Sent from the Mono - OSX mailing list archive at Nabble.com.