Lock/Hide Parameters ​
For many settings there are lock and hide parameters (as in lock-select-results, lock-class and others). Using a lock parameter prevents among other things the ADOxx user from later changing a particular setting.
Using the hide parameter prevents among other things the particular control elements needed for changing these settings from being displayed in the windows of the Modelling Toolkit.
Hint
In many cases control elements not only serve to change a setting but also display the current setting. Therefore, it can sometimes be more sensible to use a lock parameter instead of a hide parameter.