Have you looked at this:
There is a link to download the OpenGL example with a lot of comments and useful( I think) hints:
https://www.dropbox.com/s/kzf0itv4zvia35o/NewOpenGLAppExample.zip?dl=0
Have you looked at this:
There is a link to download the OpenGL example with a lot of comments and useful( I think) hints:
https://www.dropbox.com/s/kzf0itv4zvia35o/NewOpenGLAppExample.zip?dl=0