subMenuA = glutCreateMenu( SampleMenu );
glutAddMenuEntry( "Sub menu A1 (01)", 1 );
glutAddMenuEntry( "Sub menu A2 (02)", 2 );
subMenuA = glutCreateMenu( SampleMenu );
glutAddMenuEntry( "Sub menu A1 (01)", 1 );
glutAddMenuEntry( "Sub menu A2 (02)", 2 );
glutGet( GLUT_WINDOW_WIDTH ), glutGet( GLUT_WINDOW_HEIGHT ),
glutGet( GLUT_WINDOW_X ), glutGet( GLUT_WINDOW_Y )
);
glutGet( GLUT_WINDOW_WIDTH ), glutGet( GLUT_WINDOW_HEIGHT ),
glutGet( GLUT_WINDOW_X ), glutGet( GLUT_WINDOW_Y )
);