Since grasshopper forum is closed, I would like to share C# tutorials for Grasshopper and Visual Studio on mcneel discourse too.
It includes slides and example files from workshop in Poland:
That’s great Petras, thank you for sharing.
Since this topic is here I will add ICD’s extensive free C# for grasshopper live stream webinar on their Facebook page taught by @LongNguyen . Total time about 15 hours.
Part 1: https://www.facebook.com/icd.stuttgart/videos/1321785801201558/
Part 2: https://www.facebook.com/icd.stuttgart/videos/1321972814516190/
Part 3: https://www.facebook.com/itechstuttgart/videos/1598633186821305/
Part 4: https://www.facebook.com/itechstuttgart/videos/1598934696791154/
Part 5: https://www.facebook.com/itechstuttgart/videos/1600140963337194/
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@Petras_Vestartas @Michael_Pryor these are great!
@dan, @will what do you think about adding these resources to developer.rhino3d.com?
I think this is a great idea. I think the videos would go great here: http://developer.rhino3d.com/videos/
Do we have permission from @LongNguyen to post them?
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Yes please feel free to post the videos on the Developer page.
You can get the videos here (slightly better resolution than the those in the Facebook links)
https://mega.nz/#F!J1c3jSrK!7yEaslqVUjAy7foj4RvGvQ
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Thank you @LongNguyen! I’ll get those posted.
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I’m going to post links to these tutorials as well on http://developer.rhino3d.com. Thank you for sharing these.
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Hi Long-
I’ve posted your workshop videos here:
http://developer.rhino3d.com/videos/
I made some minor edits to cut out the long pauses at the beginning - when you were setting up - and during the breaks.
Great workshop. This is a generous contribution to the community. Thank you again.
knocks on desk
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Nice! Btw I believe @LongNguyen also included some download for the files made in the workshop as well as the PowerPoint / pdf slides. Maybe it is worth to have them there also?
@Michael_Pryor @dan. Thanks for the editing, it is actually much better that way. The accompanying slides and data sets are here https://mega.nz/#!U01SSKCC!S3BZ_oWf9v5KJ-FzwGeU0MkYsy6wtrGt56074b-9Sdg. It would be great if you can host them on your server as my cloud drive bandwidth is quite limited.
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Good call @Michael_Pryor
I’ve uploaded the C#_Workshop_Handouts.rar to our servers and added a download link from http://developer.rhino3d.com/videos/
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@dan I’ve seen @LongNguyen put newer videos on youtube. Atleast they are in high quality.
I suspect that the content is similar but different 
2018 workshops https://www.youtube.com/watch?v=pFCrIzENDn8
Can you update the overview?
The 2018 is 60% similar to the 2017 version. The rests are new materials (Flocking simulation exercise is replaced with Mesh Subdivision Growth (that also covers how to use a third party library e.g. Plankton mesh, and R-Tree). Also the 2018 version covered some important details specific to Rhino 6 (the 2017 version was based on Rhino 5 entirely)
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Hey sorry for the delayed response Mathias and Long. I’ll see what I can do about updating these as soon as I get a moment. PRs are also welcome on the developer site, it’s open source 
Ok, I committed an update to the videos page. I can see it live on the WIP version of the page, but I suspect caching on GitHub pages CDNs are not yet updated for the v6 version of the site: https://developer.rhino3d.com/videos/
Hopefully they will update soon.
-Dan
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