OnSize
vAl solito copiamo dal vecchio prog glut
vvoid CMoebius3View::OnSize(UINT nType, int cx, int cy)
v{
v wglMakeCurrent(m_pDC->GetSafeHdc(),m_hrc);
v glMatrixMode (GL_PROJECTION);  
v glLoadIdentity ();
v float ratio=(float)cx/(float)cy;
v glOrtho(-1,1,-ratio,ratio,-1,1);
v glViewport (0, 0, (GLsizei) cx, (GLsizei) cy);
v glMatrixMode (GL_MODELVIEW);    /*  back to modelview matrix    */
v}
vNon va! perche?