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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><!-- /home/reggie/tmp/qt-3.0-reggie-5401/qt-x11-commercial-3.0.5/src/kernel/qasyncio.cpp:44 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>QAsyncIO Class</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: #ffffff; color: black; }--></style></head><body><table border="0" cellpadding="0" cellspacing="0" width="100%"><tr bgcolor="#E5E5E5"><td valign=center> <a href="index.html"><font color="#004faf">Home</font></a> | <a href="classes.html"><font color="#004faf">All Classes</font></a> | <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> | <a href="annotated.html"><font color="#004faf">Annotated</font></a> | <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> | <a href="functions.html"><font color="#004faf">Functions</font></a></td><td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>QAsyncIO Class Reference<br><small>[obsolete]</small></h1><p>The QAsyncIO class encapsulates I/O asynchronicity.<a href="#details">More...</a><p><tt>#include <<a href="qasyncio-h.html">qasyncio.h</a>></tt><p>Inherited by <a href="qdatasink.html">QDataSink</a> and <a href="qdatasource.html">QDataSource</a>.<p><a href="qasyncio-members.html">List of all member functions.</a><h2>Public Members</h2><ul><li><div class=fn>virtual <a href="#~QAsyncIO"><b>~QAsyncIO</b></a> ()</div></li><li><div class=fn>void <a href="#connect"><b>connect</b></a> ( QObject * obj, const char * member )</div></li></ul><h2>Protected Members</h2><ul><li><div class=fn>void <a href="#ready"><b>ready</b></a> ()</div></li></ul><hr><a name="details"></a><h2>Detailed Description</h2><b>This class is obsolete.</b> It is provided to keep old source working. We strongly advise against using it in new code.<p> The QAsyncIO class encapsulates I/O asynchronicity.<p> The Qt classes for asynchronous input/output provide a simplemechanism to allow large files or slow data sources to be processedwithout using large amounts of memory or blocking the user interface.<p> This facility is used in Qt to drive animated images. See <a href="qimageconsumer.html">QImageConsumer</a>.<hr><h2>Member Function Documentation</h2><h3 class=fn><a name="~QAsyncIO"></a>QAsyncIO::~QAsyncIO ()<tt> [virtual]</tt></h3>Destroys the async IO object.<h3 class=fn>void <a name="connect"></a>QAsyncIO::connect ( <a href="qobject.html">QObject</a> * obj, const char * member )</h3>Ensures that only one object, <em>obj</em> and function, <em>member</em>, canrespond to changes in readiness.<h3 class=fn>void <a name="ready"></a>QAsyncIO::ready ()<tt> [protected]</tt></h3>Derived classes should call this when they change from beingunready to ready.<!-- eof --><hr><p>This file is part of the <a href="index.html">Qt toolkit</a>.Copyright © 1995-2002<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center><table width=100% cellspacing=0 border=0><tr><td>Copyright © 2002 <a href="http://www.trolltech.com">Trolltech</a><td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a><td align=right><div align=right>Qt version 3.0.5</div></table></div></address></body></html>⌨️ 快捷键说明
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