Suppressing a message?

[Jan Schenkel]

--- Doug Lerner <doug at webcrossing.com> wrote:
> But... does the above example block all messages
> associated with "delete
> graphic"? Why would it?
> 
> doug
> 

When you do a 'lock messages' the engine will eat
_all_ the messages it would have sent, including the
'deleteGraphic' message.

Let's explain this with the following script :
--
on mouseUp
  lock messages
  go card 3 of stack "Foo"
  delete graphic "Bar"
  go back
  unlock messages
end mouseUp
--

As soon as you lock the messages, the engine will no
longer send *any* messages, until you unlock or the
engine reaches the end of the handler.
So when you
  go card 3 of stack "Foo"
the engine won't send 'closeCard' or 'openCard' or
anything like that.
And when you
  delete graphic "Bar"
the graphic will be deleted, but you won't get a
'deleteGraphic' message.
And when you finally
  go back
again the engine won't send 'closeCard' or 'openCard'
or anything of the sort.

In short : it just blocks *all* messages.

Hope this clarified things a bit,

Jan Schenkel.

=====
"As we grow older, we grow both wiser and more foolish at the same time."  (La Rochefoucauld)

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