void CDCView::DrawPolygon(CDC* pDC)

 {

    // find the client area

    CRect rect;

    GetClientRect(rect);

    // draw with a thick blue pen

    CPen penBlue(PS_SOLID, , RGB(, , ));

    CPen* pOldPen = pDC->SelectObject(&penBlue);

    // and a solid red brush

    CBrush brushRed(RGB(, , ));

    CBrush* pOldBrush = pDC->SelectObject(&brushRed);

    // Find the midpoints of the top, right, left, and bottom

    // of the client area. They will be the vertices of our polygon.

    CPoint pts[];

    pts[].x = rect.left + rect.Width()/;

    pts[].y = rect.top;

    pts[].x = rect.right;

    pts[].y = rect.top + rect.Height()/;

    pts[].x = pts[].x;

    pts[].y = rect.bottom;

    pts[].x = rect.left;

    pts[].y = pts[].y;

    // Calling Polygon() on that array will draw three lines

    // between the points, as well as an additional line to

    // close the shape--from the last point to the first point

    // we specified.

    pDC->Polygon(pts, );

    // Put back the old objects.

    pDC->SelectObject(pOldPen);

    pDC->SelectObject(pOldBrush);

 }