avoid possibility to close some views
disable possibility to close:
- Model-Navigator View
- Properties View
- Model Elements View
- Model Markers
- Simulation
Perspectives should also be not closable!
(from redmine: issue id 465, created on 2012-01-09, closed on 2018-01-19)
- Relations:
- relates #2133 (closed)
- parent #841 (closed)