FilePathName =  Dlg.GetPathName();//取得文件路径及文件名
                SetDlgItemText(IDC_STATIC,FilePathName);//在一个地址为IDC_OutPutFile的editbox中显示文件名
        CStdioFile file;
        file.Open(FilePathName,CFile::modeRead);
        CString filedata;
        CString width,height;
        double z[960][1280];
                file.ReadString(filedata);
        width=filedata;
                file.ReadString(filedata);
        height=filedata;
                int i,j;
        for(i=0;i<960;i++){
            for(j=0;j<1280;j++){
            file.ReadString(filedata);
            z[i][j]=_ttol(filedata);
                }
            }
            
        file.Close();   
        

文件中数据是这样的
1280
960
29.7042615569242
29.6622054126792
29.6696961599199
29.6771869071605
29.6351307629156
29.5313585129569
29.2559281631496
29.228148204304
29.2325301562564
29.240020903497
29.3049697405171
29.454038421827
29.6532835325006
29.845271112256
30.2668999221502
30.2793182788739
30.2868090261145
30.2893721638721
30.1326545966871
30.0032570466699
29.799050865834
29.5531242716195
29.5606150188601

考你一下 sizeof(z)=？

double型是8

楼上答非所问啊 sizeof(double)是等于8,我问的是sizeof(z)

楼上意思是你的数组太大了，普通程序只有1M的堆栈。