SSH Tunnel with Bitvise

Hello everyone. I have trouble with an application written in VB with Visual Studio, as my hosting changed the SSH access method and I’m unable to use my old plink method.
So far I used plink and had a line on my code like this:
plink.exe -ssh -l user -pw password -L 3306: -batch -N
this doesn’t work anymore.
They made me install Bitvise tunnelier and gave me a configuration file. This works per se, as it says that SSH server is fine and connected but I cannot use my application anymore.
Anyone knows what I should add to my code to connect it with Bitvise and keep using my application?
Thanks to anyone able to help me, I’m stuck with this and cannot update my site anymore :frowning: