Implemented clear all children functionality in TreeViewControl. Reused to delete all sub folders and calculations from the root calculation group. Have CustomItemsOnlyContextMenuBuilder always add an item (also for standardized items), so that the same amount of items are added as when using a real implementation of the builder. Related to Issue [
WTI-587]
git-svn-id:
https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@5908 5a3db67b-de53-47b5-99c8-a1c30a6650e2
Former-commit-id: b18a664e3a2ac87083d295cd7619268a643a0f62
Former-commit-id: b8537af708eae3f73f3c5c8660386dcde59f4d13