MemoryDC 만들기

오전 9:49 2000-04-15
CDC 조경민
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MemoryDC 만들기
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        CDC        m_MDC;


        CDC* pDC = GetDC();
        m_MDC.CreateCompatibleDC( NULL );
        CBitmap bit;
        bit.CreateCompatibleBitmap( &pDC,  100, 100 );
        m_MDC.SelectObject( &bit);        
        m_MDC.BeginPath();
        m_MDC.Ellipse( 0, 20,100,50 );
        m_MDC.EndPath();
        m_MDC.FillPath();
        bit.DeleteObject();
        ReleaseDC(pDC);

        :
void CTestDCPathDlg::OnPaint()
{        
        CPaintDC dc(this);
                
        dc.BitBlt( 0, 0 , 100, 100, &m_MDC, 0,0, MERGEPAINT );


MSDN
    HDC memDC = CreateCompatibleDC ( hDC );
    HBITMAP memBM = CreateCompatibleBitmap ( hDC );
    SelectObject ( memDC, memBM );