Colin Holgate wrote: > On Jan 17, 2011, at 3:03 PM, Bob Sneidar wrote: > >> I agree Colin. Users expect a radio button to be exactly one and >> only one of 2 or more choices. Checkboxes are expected to be none >> to any of one or more choices. > > It is an interesting interface issue though, and there can be cases > where you have to only make one choice, if you're interested to do > so, but if you accidentally do that there isn't a way to select > nothing again. Some dialogs solve that by having a Clear button, > though that seems wrong somehow. > > In Adobe products they have a not bad solution to the issue. Next to > some drop down menus are checkboxes. If you make a selection from the > menu, the checkbox next to it gets checked. There are several of > these within the same dialog, and so you can easily specify a lot of > things at once, and if you have made an incorrect selection, you can > uncheck the box next to that menu.
That can be a good solution. Or if you need to have the options visible as radio buttons, you could consider a third labeled "None".
-- Richard Gaskin Fourth World LiveCode training and consulting: http://www.fourthworld.com Webzine for LiveCode developers: http://www.LiveCodeJournal.com LiveCode Journal blog: http://LiveCodejournal.com/blog.irv _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode