> O yes, of course, it is my screen refresh rate :). In driver settings
It's usually in the "advanced" tab for nVidia & ATI drivers, somewhere around
the perfomance and quality options.
> wglSwapIntervalEXT defined since I can't find it.
It's an extension, you'll need a more complete OpenGL unit than the one
provided by Borland, you can find a big (but complete) one at
a leaner one in
and another variation (more C-like) at
And I guess there is yet another in the Jedi project (better than
Borland's default one, but still outdated when compared to the ones
The import unit should take care of that during context activation
(you'll need to their context activation function though, and not
I found it in the nVidia OpenGL extensions PDF a few years ago.
You should also check tutorials sites like
There is also the "OpenGL Red Book"
(first link from google, there may be more recent versions around, but for
starting up, that's plenty enough)