> I am compiling publicly available OpenGL test programs with Visual
> Studio 6 sp4, and on Windows 2000, when I maximise the window the
> OpenGL image is clipped along the right and lower borders. Strips
> about 20 to 150 pixels wide in these regions are painted black and
> display nothing. The width of the strips may change if I stop the
> program and restart it. I verified this problem on three different
> computers with different graphic hardware, so it seems common. The
> same programs run without problems under Windows 98 and NT 4.0.
> I have seen at least another programmer reporting the same problem
> with Windows 2000 somewhere on the WWW, but I can't recall where. It
> seems to be a bug in Windows 2000 sp1 (I am not positive if it was
> present also in the original version, but I think so).
maximized. check which messages you receive when you maximize the
window and if you react as expected. What seems to be the problem
is that when the window is maximized, the viewport isn't reinitialized.
maximizing a window is just enlarging the canvas, not zooming in.