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cstdiofile:mfc用这个类CStdioFile有什么特殊要求吗?

FILE *in,*out; in=fopen((const char*)FileName,"rt"); (inNULL){AfxMessageBox("can not open the files");;} FileName=ChangeExt(FileName,"sen"); out=fopen((const char*)FileName,"wt"); (out=NULL){Afx [阅读全文] [PDF]