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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Qt Toolkit - group index</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: white; color: black; }--></style></head><body bgcolor="#ffffff"><p><table width="100%"><tr><td><a href="index.html"><img width="100" height="100" src="qtlogo.png"alt="Home" border="0"><img width="100"height="100" src="face.png" alt="Home" border="0"></a><td valign="top"><div align="right"><img src="dochead.png" width="472" height="27"><br><a href="classes.html"><b>Classes</b></a>- <a href="annotated.html">Annotated</a>- <a href="hierarchy.html">Tree</a>- <a href="functions.html">Functions</a>- <a href="index.html">Home</a>- <a href="topicals.html"><b>Structure</b> <font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" align="center" size=32>Qte</font></a></div></table><p><h1 align="center">I/O Classes</h1><br clear="all"><p>These classes are used to handle input and output to and from externaldevices, files etc., as well as manipulating files and directories.<p>Classes:<ul plain><li><a href="qbuffer.html">QBuffer</a> (I/O device that operates on a <a href="qbytearray.html">QByteArray</a>)<li><a href="qdatastream.html">QDataStream</a> (Serialization of binary data to a <a href="qiodevice.html">QIODevice</a>)<li><a href="qdir.html">QDir</a> (Traverses directory structures and contents in a platform-independent way)<li><a href="qfile.html">QFile</a> (I/O device that operates on files)<li><a href="qfileinfo.html">QFileInfo</a> (System-independent file information)<li><a href="qiodevice.html">QIODevice</a> (The base class of I/O devices)<li><a href="qimageio.html">QImageIO</a> (Parameters for loading and saving images)<li><a href="qlocalfs.html">QLocalFs</a> (Implementation of a <a href="qnetworkprotocol.html">QNetworkProtocol</a> which works on the local filesystem)<li><a href="qnetworkoperation.html">QNetworkOperation</a> (This class is used to define operations for network protocols and return the state, arguments, etc)<li><a href="qnetworkprotocol.html">QNetworkProtocol</a> (This is the base class for network protocols which provides a common API for network protocols)<li><a href="qsocketnotifier.html">QSocketNotifier</a> (Support for socket callbacks)<li><a href="qtextstream.html">QTextStream</a> (Basic functions for reading and writing text using a <a href="qiodevice.html">QIODevice</a>)</ul><p><address><hr><div align="center"><table width="100%" cellspacing="0" border="0"><tr><td>Copyright ⌨️ 快捷键说明
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