/*!   \page opengl-box-example.html  \ingroup opengl-examples  \title OpenGL Box ExampleThis example demonstrates how to use OpenGL in Qt. Essentially, all you do is put your OpenGL code in a class inheritedfrom QGLWidget. This class may then be used like any other Qt widget,including the use of signals and slots and geometry management.See \c{$QTDIR/examples/opengl/box} for the source code.*/