I think it would be pretty valuable to be able to validate an entire group of options. There are some sitautions which an option cannot be validated by itself, it depends on values of the other options. The example I currently have is database information. I am writing an add-in that will use another database, and I can't validate the options (host, port, username, password, database) because I can only validate one field at a time. My suggestion would be when you create the group of options, be able to enter the validation class/method on that screen. Does that make sense, or am I off my rocker? Thanks!