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m_hSrcBitmap = CreateCompatibleBitmap(m_hdc, m_rcSrcMem.right, m_rcSrcMem.bottom);
m_hdcSrcMem = CreateCompatibleDC(m_hdc);
m_hOldSel = SelectObject(m_hdcSrcMem,m_hSrcBitmap);
RECT rect = {0};
GetClientRect(m_hSlide, &rect);
int nFillRet = FillRect(m_hdcSrcMem, &rect, reinterpret_cast<HBRUSH>(GetStockObject(BLACK_BRUSH)));
RETAILMSG(1, (TEXT("CPicture::Load() Fill rect:%d--%d-%d-%d-%d \r\n"),nFillRet,
rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top));
RETAILMSG(1, (TEXT("CPicture::Load() Draw rect:%d-%d-%d-%d \r\n"),
m_rcSrcMem.left, m_rcSrcMem.top, m_rcSrcMem.right - m_rcSrcMem.left, m_rcSrcMem.bottom - m_rcSrcMem.top));
m_pImage->Draw(m_hdcSrcMem,&m_rcSrcMem,NULL);