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#2471

From: Sad Song
Date: Wed, 17 Dec 1997 00:00

21 lines
1225 bytes

HDC hMemDC;
    hMemDC=::CreateCompatibleDC(hdc);
//      HBITMAP hBM=::CreateCompatibleBitmap(dc.m_ps.hdc,rect.right-rect.left,rect.bottom-rect.top);
//      HBITMAP hOldBM=(HBITMAP)SelectObject(hMemDC,hBM);
    
    SetBkMode(hMemDC,OPAQUE); 
//    SetBkMode(hMemDC,TRANSPARENT);
    SetBkColor(hMemDC,RGB(255,0,0)); 
        GetClientRect(&rect);
  ::FillRect(hMemDC,&rect,(HBRUSH)GetStockObject(BLACK_BRUSH));
  ::BitBlt(hdc,rect.left,rect.top,rect.right-rect.left,rect.bottom-rect.top,hMemDC,0,0,SRCCOPY);
  
  DeleteObject(hMemDC);
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--
 * Origin: NJU PowerBBS <bbs.nju.edu.cn>

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From: Sad_Song.pbbs@bbs.nju.edu.cn (Sad Song)
Subject: ��̣�memdc Ϊʲô��������ͼ��
Date: 1997/12/17
Message-ID: <3fxi8b4@bbs.nju.edu.cn>
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