It simply tells you to import the Delphi interface
" Of course you can also create interfaces in Delphi and then convert them to .Net by selecting Import Interfaces from Delphi Unit from the solution explorer:"
I can’t find this command from the solution explorer or from the menu commands.
Which exactly Hydra 4 build do you use? --> 4.0.83.1127
Also what is the exact .NET application kind/laguage you are trying to import the plugin in: --> VS 2015 (Version 14.0.25431.01 update 3) C# .Net Framework 4.5.2