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File Streaming Problem

Bagpuss · 2002-01-13T10:12:39

Quick question today, I am trying to use a filestream to output data in a binary mode. (Using Windows and MS Vis C++) this does not work, but it does go into the strOP.write instruction #include <fstream> #include <ios.h> #include <stdiostr.h> #include <fstream.h> int nMode = ios::out|ios::binary; std::ofstream strOp("C:\\matt.bin",nMode); if (strOp.is_open==0) { AfxMessageBox("Failed to open file ",MB_OK,0); failed = TRUE; } else { strOp.write("This is a test",14); strOp.close(); } But this code does. It opens a file as text output int nMode = ios::out; std::ofstream strOp("C:\\matt.bin",nMode); if (strOp.is_open==0) { AfxMessageBox("Failed to open file ",MB_OK,0); failed = TRUE; } else { strOp.write("This is a test",14); strOp.close(); } What is wrong and how do I open a file in Binary mode ? TIA, BP.