since TreeView is updated via observer, observer logic (or the one that follows) will refresh tree and select the parent node. It's a good g…
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since TreeView is updated via observer, observer logic (or the one that follows) will refresh tree and select the parent node. It's a good gesture to have an extra safe guard in case if there is no SelectedNode after all. Then FirstOfDefault will be selected. Related to Issue [WTI-86]git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@788 5a3db67b-de53-47b5-99c8-a1c30a6650e2Former-commit-id: 8a4ba1e274ed0490caf4d37adbbf52159c9691c6
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