 check whether the file was opened, use the <a class="el" href="classtram_1_1_file.html#a35ac8b7f25c9644484adb16e6315ac13" title="Returns true if file was opened.">is_open()</a> method.</p>
<p >For writing to a file, set the <a class="el" href="classtram_1_1_file.html#ab340a7edca3c73f54d764cd17b362477a4e4881217ac0f0eed34368fb2d5fcece">File::WRITE</a> flag in the mode bitmask.</p>
<p >After that you can use the various write_xyz() methods.</p>
<p >All of the writing will take place in a large buffer, which a