I am currently developing a JavaScript Add-In for Navision 2018 and want my Add-In to resize based on data.
Since i only export an interface in my dll i want to implement a "default interface implementation" leading to an interface that looks like this:
That is generally possible from C# 8.0/.Net 2.1 and upwards.
My problem now is if i change my dll to .Net 2.1 and compile no error is thrown butif i implement it into nav none of the events and function is accessible like shown in the following screenshot: