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CImage类中的StretchBlt(HDC hDestDC,const RECT& rectDest,DWORD dwROP = SRCCOPY)重载方式,想要话的内容画不到应画的DC上。
CRect showRect;
GetDlgItem(IDC_STATICSHOW)->GetWindowRect(&showRect);//获取目标区域的矩形大小
CDC* pdc = CDC::FromHandle(::GetDC(GetDlgItem(IDC_STATICSHOW)->m_hWnd));
pdc->FillRect(showRect, CBrush::FromHandle(::CreateSolidBrush(GetSysColor(COLOR_3DFACE))));
m_img.StretchBlt(pdc->m_hDC, showRect);
//m_img.StretchBlt(pdc->m_hDC, 0,0,showRect.Width(),showRect.Height());
ReleaseDC(pdc);
这段代码运行的时候画不上去,而用注释的这段代码就能画上去。求高手解答!谢谢! |
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