macOS Multi-touch

Does anyone know how I can add multi-touch support for desktop cocoa applications? I think I saw a blog post somewhere describing how to do it, but can't seem to find it anymore.

Thanks.

kainjow said:

http://cocoadev.com/index.pl?MultiTouchTrackpad

It's all undocumented though, so be careful using it.

Click to expand...

Thanks, that was the one I found earlier.