I think it's time to refer to the message path bible - Richard Gaskin's great article at http://www.fourthworld.com/embassy/articles/revolution_message_path.html Pete
On Tue, Jan 3, 2012 at 12:01 PM, Todd Geist <t...@geistinteractive.com>wrote: > On Tue, Jan 3, 2012 at 10:09 AM, Bob Sneidar <b...@twft.com> wrote: > > > If I am not mistaken, sent or dispatched messages are always sent to the > > card if another target is not specified, > > > hmm, Not what I see > > Send, dispatch, and call use the current object as the target if none is > specified. It would only be the card if the card was the object sending the > command. Throw this in a button, > > *on* mouseUp > > *send* test > > *end* mouseUp > > > *on* test > > *put* the target > > *end* test > > > When you click the button you will see that the message is handled by the > object. > > > If you send a message using *Any* form (send, dispatch or call) and do not > specify a target, then the object that is sending (or calling or > dispatching) the message is the target. Of course a front script is > inserted before the target and can handle the message, BUT it is not "the > target". > > > Here is my current understanding of the differences in Send, Dispatch, and > Call. If anyone could correct me, I would appreciate it. > > > I think dispatch does switch contexts. It send the message to the object > and it is processed along the normal message path. It does have a special > use of the "me" object which can refer to a behavior. But other than that I > am pretty sure that references are evaluated in the context of the > receiving object, not the sending one. > > > Send is different because messages not handled but the target DO NOT > continue down the message path. Send does NOT resolve "me" to the behavior > script if there is any. Like Dispatch the context is the receiving object, > not the sending one. > > > Call is really weird. Context is the CALLING object not the Sending object. > And messages that are not handled by the target pass down that object's > message Path. > > > > Thanks > > > Todd > > -- > Todd Geist > _______________________________________________ > 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 > > -- Pete Molly's Revenge <http://www.mollysrevenge.com> _______________________________________________ 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
