Finalmente OnDraw
vAdesso possiamo disegnare con opengl nella onDraw!!
vvoid CMoebius3View::OnDraw(CDC*  pDC)
v{
v wglMakeCurrent(m_pDC->GetSafeHdc(),m_hrc);
v glClear(GL_COLOR_BUFFER_BIT);
v GLfloat triangle[3][2]={{-1.0f,-1.0f},{1.0f,-1.0f},{ 0.0f, 1.0f}};
v GLfloat p[2]={0.0, 0.0f};
v int i, j;
v   glClear (GL_COLOR_BUFFER_BIT);
v glBegin(GL_POINTS);
v for(j=0;j<20000;j++) {
v glVertex2f(p[0],p[1]);
v i=rand()%3;
v p[0]=(p[0]+triangle[i][0])/2.0f;
v p[1]=(p[1]+triangle[i][1])/2.0f;
v }
v glEnd();
v
v glFlush();
v SwapBuffers(m_pDC->GetSafeHdc());
v}
v