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diff --git a/doc/html/qaxaggregated.html b/doc/html/qaxaggregated.html new file mode 100644 index 0000000..6c8c672 --- /dev/null +++ b/doc/html/qaxaggregated.html @@ -0,0 +1,155 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> +<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/extensions/activeqt/control/qaxbindable.cpp:185 --> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> +<title>QAxAggregated Class</title> +<style type="text/css"><!-- +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>QAxAggregated Class Reference<br><small>[<a href="qaxserver.html">QAxServer module</a>]</small></h1> + +<p>The QAxAggregated class is an abstract base class for implementations of +additional COM interfaces. +<a href="#details">More...</a> +<p>This class is part of the <b>Qt ActiveQt Extension</b>. +<p><tt>#include <<a href="qaxbindable-h.html">qaxbindable.h</a>></tt> +<p><a href="qaxaggregated-members.html">List of all member functions.</a> +<h2>Public Members</h2> +<ul> +<li class=fn>virtual long <a href="#queryInterface"><b>queryInterface</b></a> ( const QUuid & iid, void ** iface ) = 0</li> +</ul> +<h2>Protected Members</h2> +<ul> +<li class=fn>IUnknown * <a href="#controllingUnknown"><b>controllingUnknown</b></a> () const</li> +<li class=fn>QWidget * <a href="#widget"><b>widget</b></a> () const</li> +<li class=fn>QObject * <a href="#object"><b>object</b></a> () const</li> +</ul> +<hr><a name="details"></a><h2>Detailed Description</h2> +<p> This class is defined in the <b>Qt <a href="activeqt.html#ActiveQt">ActiveQt</a> Extension</b>, which can be found in the <tt>qt/extensions</tt> directory. It is not included in the main Qt API. +<p> + +The QAxAggregated class is an abstract base class for implementations of +additional COM interfaces. + +<p> + +<p> Create a subclass of QAxAggregated and reimplement +<a href="#queryInterface">queryInterface</a>() to support additional COM interfaces. Use +multiple inheritance from those COM interfaces. Implement the +IUnknown interface of those COM interfaces by delegating the calls +to QueryInterface(), AddRef() and Release() to the interface +provided by <a href="#controllingUnknown">controllingUnknown</a>(). +<p> Use the <a href="#widget">widget</a>() method if you need to make calls to the <a href="qwidget.html">QWidget</a> +implementing the ActiveX control. You must not store that pointer +in your subclass (unless you use <a href="qguardedptr.html">QGuardedPtr</a>), as the QWidget can +be destroyed by the ActiveQt framework at any time. + +<hr><h2>Member Function Documentation</h2> +<h3 class=fn>IUnknown * <a name="controllingUnknown"></a>QAxAggregated::controllingUnknown () const<tt> [protected]</tt> +</h3> + +<p> Returns the IUnknown interface of the ActiveX control. Implement +the IUnknown interface in your QAxAggregated subclass to delegate +calls to QueryInterface(), AddRef() and Release() to the interface +provided by this function. +<p> <pre> + HRESULT AxImpl::QueryInterface( REFIID iid, void **iface ) + { + return controllingUnknown()->QueryInterface( iid, iface ); + } + + unsigned long AxImpl::AddRef() + { + return controllingUnknown()->AddRef(); + } + + unsigned long AxImpl::Release() + { + return controllingUnknown()->Release(); + } + </pre> + +<p> The QAXAGG_IUNKNOWN macro expands to the code above, and you can +use it in the class declaration of your subclass. + +<h3 class=fn><a href="qobject.html">QObject</a> * <a name="object"></a>QAxAggregated::object () const<tt> [protected]</tt> +</h3> + +<p> Returns a pointer to the <a href="qobject.html">QObject</a> subclass implementing the COM object. +This function might return 0. +<p> <b>Warning:</b> +You must not store the returned pointer, unless you use a +<a href="qguardedptr.html">QGuardedPtr</a>, since the QObject can be destroyed by <a href="activeqt.html#ActiveQt">ActiveQt</a> at any +time. + +<h3 class=fn>long <a name="queryInterface"></a>QAxAggregated::queryInterface ( const <a href="quuid.html">QUuid</a> & iid, void ** iface )<tt> [pure virtual]</tt> +</h3> + +<p> Reimplement this pure virtual function to support additional COM +interfaces. Set the value of <em>iface</em> to point to this object to +support the interface <em>iid</em>. Note that you must cast the <tt>this</tt> pointer to the appropriate superclass. +<p> <pre> + long AxImpl::queryInterface( const <a href="quuid.html">QUuid</a> &iid, void **iface ) + { + *iface = 0; + if ( iid == IID_ISomeCOMInterface ) + *iface = (ISomeCOMInterface*)this; + else + return E_NOINTERFACE; + + AddRef(); + return S_OK; + } + </pre> + +<p> Return the standard COM results S_OK (interface is supported) or +E_NOINTERFACE (requested interface is not supported). +<p> <b>Warning:</b> +Even though you must implement the IUnknown interface if you +implement any COM interface you must not support the IUnknown +interface in your <a href="#queryInterface">queryInterface</a>() implementation. + +<h3 class=fn><a href="qwidget.html">QWidget</a> * <a name="widget"></a>QAxAggregated::widget () const<tt> [protected]</tt> +</h3> + +<p> Returns a pointer to the <a href="qwidget.html">QWidget</a> subclass implementing the ActiveX control. +This function might return 0. +<p> <b>Warning:</b> +You must not store the returned pointer, unless you use a +<a href="qguardedptr.html">QGuardedPtr</a>, since the QWidget can be destroyed by <a href="activeqt.html#ActiveQt">ActiveQt</a> at any +time. + +<!-- eof --> +<hr><p> +This file is part of the <a href="index.html">Qt toolkit</a>. +Copyright © 1995-2007 +<a href="http://www.trolltech.com/">Trolltech</a>. 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