Eto.OpenTK
June 2, 2019 ยท View on GitHub
OpenGL viewport control for Eto.Forms using OpenTK
MIT licensed.
Winforms, WPF, GTK2, MonoMac, Xamarin.Mac versions are available with equivalent functionality.
Note that there are a few ways of working with this system, so play with the 'mode' in the example code to see what works best for you.