Hello- Thank you for asking the question. I have over 30 years of experience working with individuals, couples and families & am happy to reply.
I am sorry to hear about this.
It is difficult to persuade a man to get treatment when it is clear that they are depressed and are unwilling to get help.
You have done most of the things that one can do to help.
I would encourage you to also read the material attached to the following links which explains in detail how to help someone who is depressed.
The second link deals specifically with men and depression.
Note that it is important to take care of yourself when trying to help a loved on. You have to recognize your limits and seek support from friends and family.
Depression in men:
If he has anyone that you know that can be you align with you in helping him get treatment ----seek their assistance. Sometime involving the medical doctor is also a way to break through resistance.
This is a difficult challenge and I trust this information provide some useful information to help you at this difficult time.
If you have additional questions- feel free to ask- I am happy to help.
Kindest regards, Bill