Incorporated comments review 1959: Relevant comments for illustration point fault tree data model and forms projects - Updated XMLDocs - Converted new Tuple --> Tuple.Create - Inverted if statement in data model for the fault treenode related class - Adjusted IllustrationPointControlItems: -- wraps a TopLevelIllustrationPointBase instead of an object to prevent information loss and casts -- Adjusted helper, use distinct instead of array retrievals to have the same logic as its property class -- Removed NULL item verification in the collection from the helper class - Simplified and added missing tests Related to Issue [WTI-1308] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@10819 5a3db67b-de53-47b5-99c8-a1c30a6650e2