Источник:
https://blogs.msdn.microsoft.com/nav...ionareahelper/
==============
Visibility of the controls in Business Central can be regulated by the ApplicationArea property. For more information, see (
https://docs.microsoft.com/en-us/dyn...narea-property). Before you convert an existing Dynamics NAV solution to an extension written in AL, the ApplicationArea property must be set on all your custom controls. Otherwise, they will not be visible. Setting the ApplicationArea property one by one is a tedious task...
Источник:
https://blogs.msdn.microsoft.com/nav...ionareahelper/