VS2015C++MFC等比缩小图片分辨率大小boolCtestCImageDlg::CreateSmallPic(CString&szOldFileName,CString&szNewFilName){constdoubleWIDTH=5000;constdoubleHEIGHT=5000;CImageoldimg;CImagenewimg;oldimg.Load(szOldFileName);if(oldimg.IsNull())returnfalse;intnWidth=160;intnHeight=160;nWidth=oldimg.G