I\'m developing a Mac application for sharing files to different social platforms like Flickr, Facebook etc. I want to add the \'share with MyApp\' facility within the contextua
Firstly, Mac isn't an acronym.
Secondly, you can't add directly to Finder's contextual menu, that is far outside Apple's HIG. What you can do however, is add a Service that enables the share facility (Services are accessible from the context menu). You can find more information about OS X services here: http://www.cocoadev.com/index.pl?MakingAppServices