Pictures, such as bitmaps demand more resources than native objects and can decrease the performance when opening and updating screens with large pictures or with a large number of picturesMap of RevisionRevision Author Date Comments A Fabio Terezinho November 30, 2007 Initial Revision B Fabio Terezinho June 1, 2010 Included new guidelines C Fabio Terezinho July 28, 2010 Included new guidelines D