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HBITMAP hbmp=(HBITMAP)LoadImage(NULL,"c:/123.bmp",IMAGE_BITMAP,0,0,LR_LOADFROMFILE);
assert(hbmp);
HDC hdc=GetDC(m_hwnd);
HDC memDC=CreateCompatibleDC(hdc);
SelectObject(memDC,hbmp);
BitBlt(hdc,0,0,100,100,memDC,0,0,SRCCOPY);
DeleteObject(hbmp);
DeleteDC(memDC);
ReleaseDC(m_hwnd,hdc);