We will see how to place OpenTK.GLControl on WPF window to make GUI application with 2D/3D graphics using modern OpenGL 3.

How to create the project from scratch
Note 1: RMB - Right Mouse Button click
Note 2: Good Color calculator for normalized values: http://doc.instantreality.org/tools/color_calculator/
- Create WPF application, with the name "EditedTriangle". See the screenshot:
Spoiler

- Download OpenTK.GLControl.zip and