Here's a question that a bit of a search hasn't turned up much for me. I am trying to find a way to have processing close a program that's not the Processing program thats running. I have an external device connected via Serial, and I want the external device to be able to close program windows on the desktop (either quit the programs or close the windows). Is there some way to do this? I'm on OSX but I'd prefer a cross-platform solution. Any help? Thanks! dennison