OpenTK Source Download: https://github.com/opentk/opentk
OpenTK使用Nuget安装命令：OpenTK：Install-Package OpenTK -Version 3.0.1 OpenTK.GLControl：Install-Package OpenTK.GLControl -Version 3.0.1
OpenTK official website: https://github.com/opentk note address https://opentk.github.io/ has failed.
OpenTK Chinese official recommended Tutorial: https://learnopengl-cn.github.io/
OpenTK official recommendation in English tutorial: https://learnopengl.com/
Original Address: OpenTK Study Notes (1) - source, the official website address