How to zoom, move and rotate the moedl by mouse?/Comment on peut faire le zoom, translation et rotation par le souris?

#region GLControl. Mouse event handlers
        private int _mouseStartX = 0;
        private int _mouseStartY = 0;
        private float angleX = 0;
        private float angleY = 0;
        private float angleXS = 0;
        private float angleYS = 0;
        private float distance = 5;
        private float distanceS = 5;
        private void glControl_MouseDown(object sender, EventArgs e)
        {
            MouseEventArgs ev = (e as MouseEventArgs);
            _mouseStartX = ev.X;
            _mouseStartY = ev.Y;
 
 
        }
        private void glControl_MouseUp(object sender, EventArgs e)
        {
            MouseEventArgs ev = (e as MouseEventArgs);
 
            angleXS = angleX;
            angleYS = angleY;
            distanceS = distance;
 
        }
        private void glControl_MouseMove(object sender, EventArgs e)
        {
            MouseEventArgs ev = (e as MouseEventArgs);
            if (ev.Button == MouseButtons.Left)
            {
                angleX = angleXS + (ev.X - _mouseStartX) * rotSpeed;
                angleY = angleYS + (ev.Y - _mouseStartY) * rotSpeed;
            }
            if (ev.Button == MouseButtons.Right)
            {
                distance = Math.Max(2.9f,distanceS + (ev.Y - _mouseStartY) / 10.0f);
            }
        }
        #endregion

            glControl.MouseMove += new MouseEventHandler(glControl_MouseMove);
            glControl.MouseDown += new MouseEventHandler(glControl_MouseDown);
            glControl.MouseUp += new MouseEventHandler(glControl_MouseUp);