(m_Pic.LoadPictureData(pBuffer, nSize));//接作调用函数读pBuffer的jpg数据准备显示

showimage();//显示图片

void Caccess_test_1Dlg::showimage()//显示图片

{

    CRect rect;

    GetDlgItem(IDC_STATIC_pic)->GetWindowRect(&rect);//将矩形窗口选中到picture空间里

    //ScreenToClient(&rect);

    CWnd *pWnd = GetDlgItem(IDC_STATIC_pic);//获得Picture窗口句柄

    pWnd->GetClientRect(&rect);//获得Picture窗口矩形区域

    CDC *pDC = pWnd->GetDC();

    //m_image.Draw(pDC->m_hDC, rect, Gdiplus::InterpolationModeNearestNeighbor);

    m_Pic.Show(pDC->m_hDC, rect);

    ReleaseDC(pDC);

    return;

}

m_Pic.Show(pDC->m_hDC, rect);

m_Pic.Show(pDC, rect);