monogame 3.3 how to load content in VBNET

Windows
1

Hi,
I’m use VBNET in monogame 3.3 this is the demo project
https://www.dropbox.com/s/gn2n0xrz7z25lbo/MapEditor.zip?dl=0
if I write it in C# it’s work but in VBNET there is a problem,
please anyone can help me?
regards

2

I have find part of the problem. In VBNET when I build the project the folder Content is not created and the xnb file not copied, why? solutions?
regards