A. Try this . . .

void CFrame::OnViewFullScreen()
{
    if (m_bBlownUpMode)
    {
        if (!m_rNonBlownUpRect.IsRectEmpty())
        {
            m_bBlownUpMode = FALSE;
            SetWindowPos(NULL,
                m_rNonBlownUpRect.left,
                m_rNonBlownUpRect.top,
                m_rNonBlownUpRect.Width(),
                m_rNonBlownUpRect.Height(),
                SWP_NOZORDER);
        }
    }
    else
    {
        m_bBlownUpMode = TRUE;

        GetWindowRect(&m_rNonBlownUpRect);

        int x=0, y=0, cx, cy;
        GetBlownUpPosition(&x, &y);
        GetBlownUpSize(&cx, &cy);

        SetWindowPos(NULL, x, y, cx, cy, SWP_NOZORDER);
    }
}

void CFrame::OnGetMinMaxInfo(MINMAXINFO FAR* lpMMI)
{
    CFrameWnd::OnGetMinMaxInfo(lpMMI);

    lpMMI->ptMinTrackSize=CPoint(MIN_FRAME_WIDTH, 320);
    int cx, cy;
    GetBlownUpSize(&cx, &cy);
    lpMMI->ptMaxTrackSize=CPoint(cx, cy);
}

void CFrame::OnNcLButtonDown(UINT nHitTest, CPoint point)
{
    if (m_bBlownUpMode)
        return ;

    CFrameWnd::OnNcLButtonDown(nHitTest, point);
}

void CFrame::GetBlownUpPosition(int *px, int* py)
{
    *px=0, *py=0;

    *px-=GetSystemMetrics(SM_CXFIXEDFRAME);
    *px-=GetSystemMetrics(SM_CXEDGE);

    *py-=GetSystemMetrics(SM_CYFIXEDFRAME);
    *py-=GetSystemMetrics(SM_CYCAPTION);
    *py-=GetSystemMetrics(SM_CYEDGE);
    *py-=GetSystemMetrics(SM_CYMENU);
}

void CFrame::GetBlownUpSize(int *pcx, int* pcy)
{
    int x, y;
    GetBlownUpPosition(&x, &y);

    *pcx=GetSystemMetrics(SM_CXSCREEN);
    *pcy=GetSystemMetrics(SM_CYSCREEN);

    *pcx+=-x*2;

    *pcy+=-y;
    *pcy+=GetSystemMetrics(SM_CYEDGE);
    *pcy+=GetSystemMetrics(SM_CYFIXEDFRAME);
}

-- Dicky Singh

This tip is provided for instructional purposes, and is released to the public domain. No claim of ownership is made. Use it at your own risk. No warranties are expressed or implied. The resulting program may not be fully functional. No animals were harmed in the making of this tip.

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