Harry Potter's magic button - a solution to another tricky group bug

Richard Gaskin ambassador at fourthworld.com
Fri Aug 6 13:08:53 EDT 2010


Wilhelm Sanke wrote:
> Actually, there are at least two bugs: The problem of "setting" the loc
> and that of "keeping" the loc - although the lockloc of the image is set
> to true. "Lockloc" in the context of the definition above is also broken.
> After having succesfully centered the image, it will - as reported -
> revert to a topleft position in the group

Yes, with the default dynamic behavior of groups this is what most folks 
will experience.  But some time ago I needed more canvas-like behaviors, 
and Scott Raney accommodated me by adding the boundingRect property for 
groups.

Similar to SuperCard's backSize property, the boundingRect lets you 
define a rect for the scrollable area of a group regardless of its contents.

--
  Richard Gaskin
  Fourth World
  Rev training and consulting: http://www.fourthworld.com
  Webzine for Rev developers: http://www.revjournal.com
  revJournal blog: http://revjournal.com/blog.irv



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