Help to transfer the project with vlc 2.1. on vlc 3.0 c#

[1ng0verin]

I had a problem with the transition to the new version of VLC, I do not know how to handle the new version, but there was a need to move, I hope for your help
Project: https://drive.google.com/open?id=1-Y73anbW99f5rNhqaeuDC3faZrfiHtQg

[mfkl]

so what is your issue exactly?