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| author | Michele Calgaro <michele.calgaro@yahoo.it> | 2024-06-13 11:12:50 +0900 |
|---|---|---|
| committer | Michele Calgaro <michele.calgaro@yahoo.it> | 2024-06-14 10:09:21 +0900 |
| commit | 8a071b48ef8c8900163227ccc622833e26ba4064 (patch) | |
| tree | d55e89acc80cb967dc1b3d32b94281941c6ae77f /doc/html/qaxbase.html | |
| parent | 7bc57326e69b9c3f0eaeda63e4a49b67ba611426 (diff) | |
| download | tqt-8a071b48.tar.gz tqt-8a071b48.zip | |
Remove documentation about activeqt, because the latter is part of the commercial edition of Qt3
Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
Diffstat (limited to 'doc/html/qaxbase.html')
| -rw-r--r-- | doc/html/qaxbase.html | 658 |
1 files changed, 0 insertions, 658 deletions
diff --git a/doc/html/qaxbase.html b/doc/html/qaxbase.html deleted file mode 100644 index a78a0cc63..000000000 --- a/doc/html/qaxbase.html +++ /dev/null @@ -1,658 +0,0 @@ -<!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/container/qaxbase.cpp:556 --> -<html> -<head> -<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> -<title>TQAxBase 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>TQAxBase Class Reference<br><small>[<a href="qaxcontainer.html">TQAxContainer module</a>]</small></h1> - -<p>The TQAxBase class is an abstract class that provides an API -to initalize and access a COM object. -<a href="#details">More...</a> -<p>This class is part of the <b>TQt ActiveTQt Extension</b>. -<p><tt>#include <<a href="qaxbase-h.html">qaxbase.h</a>></tt> -<p>Inherited by <a href="qaxobject.html">TQAxObject</a> and <a href="qaxwidget.html">TQAxWidget</a>. -<p><a href="qaxbase-members.html">List of all member functions.</a> -<h2>Public Members</h2> -<ul> -<li class=fn><a href="#TQAxBase"><b>TQAxBase</b></a> ( IUnknown * iface = 0 )</li> -<li class=fn>virtual <a href="#~TQAxBase"><b>~TQAxBase</b></a> ()</li> -<li class=fn>TQString <a href="#control"><b>control</b></a> () const</li> -<li class=fn>long <a href="#queryInterface"><b>queryInterface</b></a> ( const TQUuid & uuid, void ** iface ) const</li> -<li class=fn>TQVariant <a href="#dynamicCall"><b>dynamicCall</b></a> ( const TQCString & function, const TQVariant & var1 = TQVariant ( ), const TQVariant & var2 = TQVariant ( ), const TQVariant & var3 = TQVariant ( ), const TQVariant & var4 = TQVariant ( ), const TQVariant & var5 = TQVariant ( ), const TQVariant & var6 = TQVariant ( ), const TQVariant & var7 = TQVariant ( ), const TQVariant & var8 = TQVariant ( ) )</li> -<li class=fn>TQVariant <a href="#dynamicCall-2"><b>dynamicCall</b></a> ( const TQCString & function, TQValueList<TQVariant> & vars )</li> -<li class=fn>TQAxObject * <a href="#querySubObject"><b>querySubObject</b></a> ( const TQCString & name, const TQVariant & var1 = TQVariant ( ), const TQVariant & var2 = TQVariant ( ), const TQVariant & var3 = TQVariant ( ), const TQVariant & var4 = TQVariant ( ), const TQVariant & var5 = TQVariant ( ), const TQVariant & var6 = TQVariant ( ), const TQVariant & var7 = TQVariant ( ), const TQVariant & var8 = TQVariant ( ) )</li> -<li class=fn>PropertyBag <a href="#propertyBag"><b>propertyBag</b></a> () const</li> -<li class=fn>void <a href="#setPropertyBag"><b>setPropertyBag</b></a> ( const PropertyBag & bag )</li> -<li class=fn>TQString <a href="#generateDocumentation"><b>generateDocumentation</b></a> ()</li> -<li class=fn>virtual bool <a href="#propertyWritable"><b>propertyWritable</b></a> ( const char * prop ) const</li> -<li class=fn>virtual void <a href="#setPropertyWritable"><b>setPropertyWritable</b></a> ( const char * prop, bool ok )</li> -<li class=fn>bool <a href="#isNull"><b>isNull</b></a> () const</li> -<li class=fn>TQVariant <a href="#asVariant"><b>asVariant</b></a> () const</li> -<li class=fn>enum <a href="#PropertyBag-enum"><b>PropertyBag</b></a> { }</li> -<li class=fn>virtual void <a href="#clear"><b>clear</b></a> ()</li> -<li class=fn>bool <a href="#setControl"><b>setControl</b></a> ( const TQString & )</li> -<li class=fn>void <a href="#disableMetaObject"><b>disableMetaObject</b></a> ()</li> -<li class=fn>void <a href="#disableClassInfo"><b>disableClassInfo</b></a> ()</li> -<li class=fn>void <a href="#disableEventSink"><b>disableEventSink</b></a> ()</li> -</ul> -<h2>Signals</h2> -<ul> -<li class=fn>void <a href="#signal"><b>signal</b></a> ( const TQString & name, int argc, void * argv )</li> -<li class=fn>void <a href="#propertyChanged"><b>propertyChanged</b></a> ( const TQString & name )</li> -<li class=fn>void <a href="#exception"><b>exception</b></a> ( int code, const TQString & source, const TQString & desc, const TQString & help )</li> -</ul> -<h2>Properties</h2> -<ul> -<li class=fn>TQString <a href="#control-prop"><b>control</b></a> - the name of the COM object wrapped by this TQAxBase object</li> -</ul> -<h2>Protected Members</h2> -<ul> -<li class=fn>virtual bool <a href="#initialize"><b>initialize</b></a> ( IUnknown ** ptr )</li> -<li class=fn>bool <a href="#initializeRemote"><b>initializeRemote</b></a> ( IUnknown ** ptr )</li> -<li class=fn>bool <a href="#initializeLicensed"><b>initializeLicensed</b></a> ( IUnknown ** ptr )</li> -<li class=fn>bool <a href="#initializeActive"><b>initializeActive</b></a> ( IUnknown ** ptr )</li> -</ul> -<hr><a name="details"></a><h2>Detailed Description</h2> -<p> This class is defined in the <b>TQt <a href="activentqt.html#ActiveTQt">ActiveTQt</a> Extension</b>, which can be found in the <tt>qt/extensions</tt> directory. It is not included in the main TQt API. -<p> - -<p> The TQAxBase class is an abstract class that provides an API -to initalize and access a COM object. - -<p> - -<p> TQAxBase is an abstract class that cannot be used directly, and is -instantiated through the subclasses <a href="qaxobject.html">TQAxObject</a> and <a href="qaxwidget.html">TQAxWidget</a>. This -class provides the API to access the COM object directly -through its IUnknown implementation. If the COM object implements -the IDispatch interface, the properties and methods of that object -become available as TQt properties and slots. -<p> <pre> - connect( buttonBack, TQ_SIGNAL(clicked()), webBrowser, TQ_SLOT(GoBack()) ); - </pre> - -<p> Properties exposed by the object's IDispatch implementation can be -read and written through the property system provided by the TQt -Object Model (both subclasses are TQObjects, so you can use <a href="tqobject.html#setProperty">setProperty()</a> and <a href="tqobject.html#property">property()</a> as with <a href="tqobject.html">TQObject</a>). Properties -with multiple parameters are not supported. -<p> <pre> - activeX->setProperty( "text", "some text" ); - int value = activeX->property( "value" ); - </pre> - -<p> Write-functions for properties and other methods exposed by the -object's IDispatch implementation can be called directly using -<a href="#dynamicCall">dynamicCall</a>(), or indirectly as slots connected to a signal. -<p> <pre> - webBrowser->dynamicCall( "GoHome()" ); - </pre> - -<p> Outgoing events supported by the COM object are emitted as -standard TQt signals. -<p> <pre> - connect( webBrowser, TQ_SIGNAL(TitleChanged(const <a href="tqstring.html">TQString</a>&)), - this, TQ_SLOT(setCaption(const <a href="tqstring.html">TQString</a>&)) ); - </pre> - -<p> TQAxBase transparently converts between COM data types and the -equivalent TQt data types. Some COM types have no equivalent TQt data structure. -<p> Supported COM datatypes are listed in the first column of following table. -The second column is the TQt type that can be used with the <a href="tqobject.html">TQObject</a> property -functions. The third column is the TQt type that is used in the prototype of -generated signals and slots for in-parameters, and the last column is the TQt -type that is used in the prototype of signals and slots for out-parameters. -<center><table cellpadding="4" cellspacing="2" border="0"> -<tr bgcolor="#a2c511"> -<th valign="top">COM type -<th valign="top">TQt property -<th valign="top">in-parameter -<th valign="top">out-parameter -<tr bgcolor="#f0f0f0"> -<td valign="top">VARIANT_BOOL -<td valign="top">bool -<td valign="top">bool -<td valign="top">bool& -<tr bgcolor="#d0d0d0"> -<td valign="top">BSTR -<td valign="top">TQString -<td valign="top">const <a href="tqstring.html">TQString</a>& -<td valign="top">TQString& -<tr bgcolor="#f0f0f0"> -<td valign="top">char, short, int, long -<td valign="top">int -<td valign="top">int -<td valign="top">int& -<tr bgcolor="#d0d0d0"> -<td valign="top">uchar, ushort, uint, ulong -<td valign="top">uint -<td valign="top">uint -<td valign="top">uint& -<tr bgcolor="#f0f0f0"> -<td valign="top">float, double -<td valign="top">double -<td valign="top">double -<td valign="top">double& -<tr bgcolor="#d0d0d0"> -<td valign="top">DATE -<td valign="top">TQDateTime -<td valign="top">const <a href="ntqdatetime.html">TQDateTime</a>& -<td valign="top">TQDateTime& -<tr bgcolor="#f0f0f0"> -<td valign="top">CY -<td valign="top">TQ_LLONG -<td valign="top">TQ_LLONG -<td valign="top">TQ_LLONG& -<tr bgcolor="#d0d0d0"> -<td valign="top">OLE_COLOR -<td valign="top">TQColor -<td valign="top">const <a href="ntqcolor.html">TQColor</a>& -<td valign="top">TQColor& -<tr bgcolor="#f0f0f0"> -<td valign="top">SAFEARRAY(VARIANT) -<td valign="top">TQValueList<TQVariant> -<td valign="top">const <a href="tqvaluelist.html">TQValueList</a><TQVariant>& -<td valign="top">TQValueList<TQVariant>& -<tr bgcolor="#d0d0d0"> -<td valign="top">SAFEARRAY(BYTE) -<td valign="top">TQByteArray -<td valign="top">const <a href="qbytearray.html">TQByteArray</a>& -<td valign="top">TQByteArray& -<tr bgcolor="#f0f0f0"> -<td valign="top">SAFEARRAY(BSTR) -<td valign="top">TQStringList -<td valign="top">const <a href="tqstringlist.html">TQStringList</a>& -<td valign="top">TQStringList& -<tr bgcolor="#d0d0d0"> -<td valign="top">VARIANT -<td valign="top">type-dependent -<td valign="top">const <a href="ntqvariant.html">TQVariant</a>& -<td valign="top">TQVariant& -<tr bgcolor="#f0f0f0"> -<td valign="top">IFontDisp* -<td valign="top">TQFont -<td valign="top">const <a href="ntqfont.html">TQFont</a>& -<td valign="top">TQFont& -<tr bgcolor="#d0d0d0"> -<td valign="top">IPictureDisp* -<td valign="top">TQPixmap -<td valign="top">const <a href="ntqpixmap.html">TQPixmap</a>& -<td valign="top">TQPixmap& -<tr bgcolor="#f0f0f0"> -<td valign="top">IDispatch* -<td valign="top">TQAxObject* (read-only) -<td valign="top"><a href="#asVariant">TQAxBase::asVariant</a>() -<td valign="top">TQAxObject* (return value) -<tr bgcolor="#d0d0d0"> -<td valign="top">IUnknown* -<td valign="top">TQAxObject* (read-only) -<td valign="top"><a href="#asVariant">TQAxBase::asVariant</a>() -<td valign="top">TQAxObject* (return value) -<tr bgcolor="#f0f0f0"> -<td valign="top">SCODE, DECIMAL -<td valign="top"><em>unsupported</em> -<td valign="top"><em>unsupported</em> -<td valign="top"><em>unsupported</em> -</table></center> -<p> Supported are also enumerations, and typedefs to supported types. -<p> To call the methods of a COM interface described by the following IDL -<pre> - dispinterface IControl - { - properties: - [id(1)] BSTR text; - [id(2)] IFontDisp *font; - - methods: - [id(6)] void showColumn( [in] int i ); - [id(3)] bool addColumn( [in] BSTR t ); - [id(4)] int fillList( [in, out] SAFEARRAY(VARIANT) *list ); - [id(5)] IDispatch *item( [in] int i ); - }; - </pre> - -use the TQAxBase API like this: -<pre> - <a href="qaxobject.html">TQAxObject</a> object( "<CLSID>" ); - - <a href="tqstring.html">TQString</a> text = object.<a href="tqobject.html#property">property</a>( "text" ).toString(); - object.<a href="tqobject.html#setProperty">setProperty</a>( "font", TQFont( "Times New Roman", 12 ) ); - - connect( this, TQ_SIGNAL(clicked(int)), &object, TQ_SLOT(showColumn(int)) ); - bool ok = object.<a href="#dynamicCall">dynamicCall</a>( "addColumn(const <a href="tqstring.html">TQString</a>&)", "Column 1" ).toBool(); - - <a href="tqvaluelist.html">TQValueList</a><TQVariant> varlist; - <a href="tqvaluelist.html">TQValueList</a><TQVariant> parameters; - parameters << TQVariant( varlist ); - int n = object.<a href="#dynamicCall">dynamicCall</a>( "fillList(TQValueList<TQVariant>&)", parameters ).toInt(); - - <a href="qaxobject.html">TQAxObject</a> *item = object.querySubItem( "item(int)", 5 ); - </pre> - -<p> Note that the <a href="tqvaluelist.html">TQValueList</a> the object should fill has to be provided as an -element in the parameter list of TQVariants. -<p> If you need to access properties or pass parameters of unsupported -datatypes you must access the COM object directly through its -IDispatch implementation or other interfaces. Those interfaces can be -retrieved through <a href="#queryInterface">queryInterface</a>(). -<p> <pre> - IUnknown *iface = 0; - activeX->queryInterface( IID_IUnknown, (void**)&iface ); - if ( iface ) { - // use the interface - iface->Release(); - } - </pre> - -<p> To get the definition of the COM interfaces you will have to use the header -files provided with the component you want to use. Some compilers can also -import type libraries using the #import compiler directive. See the component -documentation to find out which type libraries you have to import, and how to use -them. -<p> If you need to react to events that pass parameters of unsupported -datatypes you can use the generic signal that delivers the event -data as provided by the COM event. - -<hr><h2>Member Type Documentation</h2> -<h3 class=fn><a name="PropertyBag-enum"></a>TQAxBase::PropertyBag</h3> - -<p> A <a href="tqmap.html">TQMap</a><TQString,TQVariant> that can store properties as name:value pairs. - -<hr><h2>Member Function Documentation</h2> -<h3 class=fn><a name="TQAxBase"></a>TQAxBase::TQAxBase ( IUnknown * iface = 0 ) -</h3> -Creates a TQAxBase object that wraps the COM object <em>iface</em>. If <em>iface</em> is 0 (the default), use <a href="#setControl">setControl</a>() to instantiate a COM -object. - -<h3 class=fn><a name="~TQAxBase"></a>TQAxBase::~TQAxBase ()<tt> [virtual]</tt> -</h3> -Shuts down the COM object and destroys the TQAxBase object. -<p> <p>See also <a href="#clear">clear</a>(). - -<h3 class=fn><a href="ntqvariant.html">TQVariant</a> <a name="asVariant"></a>TQAxBase::asVariant () const -</h3> -Returns a <a href="ntqvariant.html">TQVariant</a> that wraps the COM object. The variant can -then be used as a parameter in e.g. <a href="#dynamicCall">dynamicCall</a>(). - -<h3 class=fn>void <a name="clear"></a>TQAxBase::clear ()<tt> [virtual]</tt> -</h3> -Disconnects and destroys the COM object. -<p> If you reimplement this function you must also reimplement the -destructor to call <a href="#clear">clear</a>(), and call this implementation at the -end of your clear() function. - -<h3 class=fn><a href="tqstring.html">TQString</a> <a name="control"></a>TQAxBase::control () const -</h3><p>Returns the name of the COM object wrapped by this TQAxBase object. -See the <a href="qaxbase.html#control-prop">"control"</a> property for details. -<h3 class=fn>void <a name="disableClassInfo"></a>TQAxBase::disableClassInfo () -</h3> -Disables the class info generation for this ActiveX container. If -you don't require any class information about the ActiveX control -use this function to speed up the <a href="metaobjects.html#meta-object">meta object</a> generation. -<p> Note that this function must be called immediately after -construction of the object (without passing an object identifier), -and before calling <a href="qaxwidget.html">TQAxWidget</a>->setControl(). - -<h3 class=fn>void <a name="disableEventSink"></a>TQAxBase::disableEventSink () -</h3> -Disables the event sink implementation for this ActiveX container. -If you don't intend to listen to the ActiveX control's events use -this function to speed up the <a href="metaobjects.html#meta-object">meta object</a> generation. -<p> Some ActiveX controls might be unstable when connected to an event -sink. To get OLE events you must use standard COM methods to -register your own event sink. Use <a href="#queryInterface">queryInterface</a>() to get access -to the raw COM object. -<p> Note that this function should be called immediately after -construction of the object (without passing an object identifier), -and before calling <a href="qaxwidget.html">TQAxWidget</a>->setControl(). - -<h3 class=fn>void <a name="disableMetaObject"></a>TQAxBase::disableMetaObject () -</h3> -Disables the <a href="metaobjects.html#meta-object">meta object</a> generation for this ActiveX container. -This also disables the event sink and class info generation. If -you don't intend to use the TQt meta object implementation call -this function to speed up the meta object generation. -<p> Some ActiveX controls might be unstable when used with OLE -automation. Use standard COM methods to use those controls through -the COM interfaces provided by <a href="#queryInterface">queryInterface</a>(). -<p> Note that this function must be called immediately after -construction of the object (without passing an object identifier), -and before calling <a href="qaxwidget.html">TQAxWidget</a>->setControl(). - -<h3 class=fn><a href="ntqvariant.html">TQVariant</a> <a name="dynamicCall"></a>TQAxBase::dynamicCall ( const <a href="ntqcstring.html">TQCString</a> & function, const <a href="ntqvariant.html">TQVariant</a> & var1 = TQVariant ( ), const <a href="ntqvariant.html">TQVariant</a> & var2 = TQVariant ( ), const <a href="ntqvariant.html">TQVariant</a> & var3 = TQVariant ( ), const <a href="ntqvariant.html">TQVariant</a> & var4 = TQVariant ( ), const <a href="ntqvariant.html">TQVariant</a> & var5 = TQVariant ( ), const <a href="ntqvariant.html">TQVariant</a> & var6 = TQVariant ( ), const <a href="ntqvariant.html">TQVariant</a> & var7 = TQVariant ( ), const <a href="ntqvariant.html">TQVariant</a> & var8 = TQVariant ( ) ) -</h3> -Calls the COM object's method <em>function</em>, passing the -parameters <em>var1</em>, <em>var1</em>, <em>var2</em>, <em>var3</em>, <em>var4</em>, <em>var5</em>, -<em>var6</em>, <em>var7</em> and <em>var8</em>, and returns the value returned by -the method, or an invalid <a href="ntqvariant.html">TQVariant</a> if the method does not return -a value or when the function call failed. -<p> If <em>function</em> is a method of the object the string must be provided -as the full prototype, for example as it would be written in a -<a href="tqobject.html#connect">TQObject::connect</a>() call. -<pre> - activeX->dynamicCall( "Navigate(const <a href="tqstring.html">TQString</a>&)", "www.trolltech.com" ); - </pre> - -<p> Alternatively a function can be called passing the parameters embedded -in the string, e.g. above function can also be invoked using -<pre> - activeX->dynamicCall("Navigate(\"www.trolltech.com\"); - </pre> - -All parameters are passed as strings; it depends on the control whether -they are interpreted correctly, and is slower than using the prototype -with correctly typed parameters. -<p> If <em>function</em> is a property the string has to be the name of the -property. The property setter is called when <em>var1</em> is a valid TQVariant, -otherwise the getter is called. -<pre> - activeX->dynamicCall( "Value", 5 ); - <a href="tqstring.html">TQString</a> text = activeX->dynamicCall( "Text" ).toString(); - </pre> - -Note that it is faster to get and set properties using -<a href="tqobject.html#property">TQObject::property</a>() and <a href="tqobject.html#setProperty">TQObject::setProperty</a>(). -<p> It is only possible to call functions through <a href="#dynamicCall">dynamicCall</a>() that -have parameters or return values of datatypes supported by -<a href="ntqvariant.html">TQVariant</a>. See the TQAxBase class documentation for a list of -supported and unsupported datatypes. If you want to call functions -that have unsupported datatypes in the parameter list, use -<a href="#queryInterface">queryInterface</a>() to retrieve the appropriate COM interface, and -use the function directly. -<p> <pre> - IWebBrowser2 *webBrowser = 0; - activeX->queryInterface( IID_IWebBrowser2, (void**)&webBrowser ); - if ( webBrowser ) { - webBrowser->Navigate2( pvarURL ); - webBrowser->Release(); - } - </pre> - -<p> This is also more efficient. - -<p>Example: <a href="qaxcontainer-example-qutlook.html#x2720">qutlook/centralwidget.cpp</a>. -<h3 class=fn><a href="ntqvariant.html">TQVariant</a> <a name="dynamicCall-2"></a>TQAxBase::dynamicCall ( const <a href="ntqcstring.html">TQCString</a> & function, <a href="tqvaluelist.html">TQValueList</a><TQVariant> & vars ) -</h3> -This is an overloaded member function, provided for convenience. It behaves essentially like the above function. -<p> Calls the COM object's method <em>function</em>, passing the -parameters in <em>vars</em>, and returns the value returned by -the method. If the method does not return a value or when -the function call failed this function returns an invalid -<a href="ntqvariant.html">TQVariant</a> object. -<p> The TQVariant objects in <em>vars</em> are updated when the method has -out-parameters. - -<h3 class=fn>void <a name="exception"></a>TQAxBase::exception ( int code, const <a href="tqstring.html">TQString</a> & source, const <a href="tqstring.html">TQString</a> & desc, const <a href="tqstring.html">TQString</a> & help )<tt> [signal]</tt> -</h3> - -<p> This signal is emitted when the COM object throws an exception while called using the OLE automation -interface IDispatch. <em>code</em>, <em>source</em>, <em>desc</em> and <em>help</em> provide information about the exception as -provided by the COM server and can be used to provide useful feedback to the end user. <em>help</em> includes -the help file, and the help context ID in brackets, e.g. "filename [id]". - -<h3 class=fn><a href="tqstring.html">TQString</a> <a name="generateDocumentation"></a>TQAxBase::generateDocumentation () -</h3> - -<p> Returns a rich text string with documentation for the -wrapped COM object. Dump the string to an HTML-file, -or use it in e.g. a <a href="tqtextbrowser.html">TQTextBrowser</a> widget. - -<h3 class=fn>bool <a name="initialize"></a>TQAxBase::initialize ( IUnknown ** ptr )<tt> [virtual protected]</tt> -</h3> -This virtual function is called by <a href="#setControl">setControl</a>() and creates the -requested COM object. <em>ptr</em> is set to the object's IUnknown -implementation. The function returns TRUE if the object -initialization succeeded; otherwise the function returns FALSE. -<p> The default implementation interprets the string returned by -<a href="#control">control</a>(), and calls <a href="#initializeRemote">initializeRemote</a>(), <a href="#initializeLicensed">initializeLicensed</a>() -or <a href="#initializeActive">initializeActive</a>() if the string matches the respective -patterns. If no pattern is matched, or if remote or licensed -initialization fails, CoCreateInstance is used directly to create -the object. -<p> See the <a href="#control-prop">control</a> property documentation for details about -supported patterns. -<p> The interface returned in <em>ptr</em> must be referenced exactly once -when this function returns. The interface provided by e.g. -CoCreateInstance is already referenced, and there is no need to -reference it again. - -<h3 class=fn>bool <a name="initializeActive"></a>TQAxBase::initializeActive ( IUnknown ** ptr )<tt> [protected]</tt> -</h3> -Returns an active instance running on the current machine, and returns the -IUnknown interface to the running object in <em>ptr</em>. This function returns TRUE -if successful, otherwise returns FALSE. -<p> This function is called by <a href="#initialize">initialize</a>() if the control string contains the -substring "}&". -<p> <p>See also <a href="#initialize">initialize</a>(). - -<h3 class=fn>bool <a name="initializeLicensed"></a>TQAxBase::initializeLicensed ( IUnknown ** ptr )<tt> [protected]</tt> -</h3> -Creates an instance of a licensed control, and returns the IUnknown interface -to the object in <em>ptr</em>. This functions returns TRUE if successful, otherwise -returns FALSE. -<p> This function is called by <a href="#initialize">initialize</a>() if the control string contains the -substring "}:". The license key needs to follow this substring. -<p> <p>See also <a href="#initialize">initialize</a>(). - -<h3 class=fn>bool <a name="initializeRemote"></a>TQAxBase::initializeRemote ( IUnknown ** ptr )<tt> [protected]</tt> -</h3> -Creates the instance on a remote server, and returns the IUnknown interface -to the object in <em>ptr</em>. This function returns TRUE if successful, otherwise -returns FALSE. -<p> This function is called by <a href="#initialize">initialize</a>() if the control string contains the -substring "/{". The information about the remote machine needs to be provided -in front of the substring. -<p> <p>See also <a href="#initialize">initialize</a>(). - -<h3 class=fn>bool <a name="isNull"></a>TQAxBase::isNull () const -</h3> -Returns TRUE if there is no COM object loaded by this wrapper; -otherwise return FALSE. -<p> <p>See also <a href="#control-prop">control</a>. - -<h3 class=fn><a href="qaxbase.html#PropertyBag-enum">PropertyBag</a> <a name="propertyBag"></a>TQAxBase::propertyBag () const -</h3> -Returns a name:value map of all the properties exposed by the COM -object. -<p> This is more efficient than getting multiple properties -individually if the COM object supports property bags. -<p> <b>Warning:</b> It is not guaranteed that the property bag implementation -of the COM object returns all properties, or that the properties -returned are the same as those available through the IDispatch -interface. - -<h3 class=fn>void <a name="propertyChanged"></a>TQAxBase::propertyChanged ( const <a href="tqstring.html">TQString</a> & name )<tt> [signal]</tt> -</h3> - -<p> If the COM object supports property notification, this signal gets -emitted when the property called <em>name</em> is changed. - -<h3 class=fn>bool <a name="propertyWritable"></a>TQAxBase::propertyWritable ( const char * prop ) const<tt> [virtual]</tt> -</h3> -Returns TRUE if the property <em>prop</em> is writable; otherwise -returns FALSE. By default, all properties are writable. -<p> <b>Warning:</b> -Depending on the control implementation this setting might be -ignored for some properties. -<p> <p>See also <a href="#setPropertyWritable">setPropertyWritable</a>() and <a href="#propertyChanged">propertyChanged</a>(). - -<h3 class=fn>long <a name="queryInterface"></a>TQAxBase::queryInterface ( const <a href="ntquuid.html">TQUuid</a> & uuid, void ** iface ) const -</h3> -Requests the interface <em>uuid</em> from the COM object and sets the -value of <em>iface</em> to the provided interface, or to 0 if the -requested interface could not be provided. -<p> Returns the result of the QueryInterface implementation of the COM object. -<p> <p>See also <a href="#control-prop">control</a>. - -<h3 class=fn><a href="qaxobject.html">TQAxObject</a> * <a name="querySubObject"></a>TQAxBase::querySubObject ( const <a href="ntqcstring.html">TQCString</a> & name, const <a href="ntqvariant.html">TQVariant</a> & var1 = TQVariant ( ), const <a href="ntqvariant.html">TQVariant</a> & var2 = TQVariant ( ), const <a href="ntqvariant.html">TQVariant</a> & var3 = TQVariant ( ), const <a href="ntqvariant.html">TQVariant</a> & var4 = TQVariant ( ), const <a href="ntqvariant.html">TQVariant</a> & var5 = TQVariant ( ), const <a href="ntqvariant.html">TQVariant</a> & var6 = TQVariant ( ), const <a href="ntqvariant.html">TQVariant</a> & var7 = TQVariant ( ), const <a href="ntqvariant.html">TQVariant</a> & var8 = TQVariant ( ) ) -</h3> -Returns a pointer to a <a href="qaxobject.html">TQAxObject</a> wrapping the COM object provided -by the method or property <em>name</em>, passing passing the parameters -<em>var1</em>, <em>var1</em>, <em>var2</em>, <em>var3</em>, <em>var4</em>, <em>var5</em>, <em>var6</em>, -<em>var7</em> and <em>var8</em>. -<p> If <em>name</em> is provided by a method the string must include the -full function prototype. -<p> If <em>name</em> is a property the string must be the name of the property, -and <em>var1</em>, ... <em>var8</em> are ignored. -<p> The returned TQAxObject is a child of this object (which is either of -type TQAxObject or <a href="qaxwidget.html">TQAxWidget</a>), and is deleted when this object is -deleted. It is however safe to delete the returned object yourself, -and you should do so when you iterate over lists of subobjects. -<p> COM enabled applications usually have an object model publishing -certain elements of the application as dispatch interfaces. Use -this method to navigate the hierarchy of the object model, e.g. -<p> <pre> - <a href="qaxwidget.html">TQAxWidget</a> outlook( "Outlook.Application" ); - <a href="qaxobject.html">TQAxObject</a> *session = outlook.<a href="#querySubObject">querySubObject</a>( "Session" ); - if ( session ) { - <a href="qaxobject.html">TQAxObject</a> *defFolder = session-><a href="#querySubObject">querySubObject</a>( - "GetDefaultFolder(OlDefaultFolders)", - "olFolderContacts" ); - //... - } - </pre> - - -<p>Example: <a href="qaxcontainer-example-qutlook.html#x2721">qutlook/centralwidget.cpp</a>. -<h3 class=fn>bool <a name="setControl"></a>TQAxBase::setControl ( const <a href="tqstring.html">TQString</a> & ) -</h3><p>Sets the name of the COM object wrapped by this TQAxBase object. -See the <a href="qaxbase.html#control-prop">"control"</a> property for details. -<h3 class=fn>void <a name="setPropertyBag"></a>TQAxBase::setPropertyBag ( const <a href="qaxbase.html#PropertyBag-enum">PropertyBag</a> & bag ) -</h3> -Sets the properties of the COM object to the corresponding values -in <em>bag</em>. -<p> <b>Warning:</b> -You should only set property bags that have been returned by the -propertyBag function, as it cannot be guaranteed that the property -bag implementation of the COM object supports the same properties -that are available through the IDispatch interface. -<p> <p>See also <a href="#propertyBag">propertyBag</a>(). - -<h3 class=fn>void <a name="setPropertyWritable"></a>TQAxBase::setPropertyWritable ( const char * prop, bool ok )<tt> [virtual]</tt> -</h3> -Sets the property <em>prop</em> to writable if <em>ok</em> is TRUE, otherwise -sets <em>prop</em> to be read-only. By default, all properties are -writable. -<p> <b>Warning:</b> -Depending on the control implementation this setting might be -ignored for some properties. -<p> <p>See also <a href="#propertyWritable">propertyWritable</a>() and <a href="#propertyChanged">propertyChanged</a>(). - -<h3 class=fn>void <a name="signal"></a>TQAxBase::signal ( const <a href="tqstring.html">TQString</a> & name, int argc, void * argv )<tt> [signal]</tt> -</h3> - -<p> This generic signal gets emitted when the COM object issues the -event <em>name</em>. <em>argc</em> is the number of parameters provided by the -event (DISPPARAMS.cArgs), and <em>argv</em> is the pointer to the -parameter values (DISPPARAMS.rgvarg). Note that the order of parameter -values is turned around, ie. the last element of the array is the first -parameter in the function. -<p> <pre> - void Receiver::slot( const <a href="tqstring.html">TQString</a> &name, int argc, void *argv ) - { - VARIANTARG *params = (VARIANTARG*)argv; - if ( name.<a href="tqstring.html#startsWith">startsWith</a>( "BeforeNavigate2(" ) ) { - IDispatch *pDisp = params[argc-1].pdispVal; - VARIANTARG URL = *params[argc-2].pvarVal; - VARIANTARG Flags = *params[argc-3].pvarVal; - VARIANTARG TargetFrameName = *params[argc-4].pvarVal; - VARIANTARG PostData = *params[argc-5].pvarVal; - VARIANTARG Headers = *params[argc-6].pvarVal; - bool *Cancel = params[argc-7].pboolVal; - } - } - </pre> - -<p> Use this signal if the event has parameters of unsupported data -types. Otherwise, connect directly to the signal <em>name</em>. - -<hr><h2>Property Documentation</h2> -<h3 class=fn><a href="tqstring.html">TQString</a> <a name="control-prop"></a>control</h3> -<p>This property holds the name of the COM object wrapped by this TQAxBase object. -<p>Setting this property initilializes the COM object. Any COM object -previously set is shut down. -<p> The most efficient way to set this property is by using the -registered component's UUID, e.g. -<pre> - ctrl->setControl( "{8E27C92B-1264-101C-8A2F-040224009C02}" ); - </pre> - -The second fastest way is to use the registered control's class -name (with or without version number), e.g. -<pre> - ctrl->setControl( "MSCal.Calendar" ); - </pre> - -The slowest, but easiest way to use is to use the control's full -name, e.g. -<pre> - ctrl->setControl( "Calendar Control 9.0" ); - </pre> - -<p> If the component's UUID is used the following patterns can be used -to initialize the control on a remote machine, to initialize a -licensed control or to connect to a running object: -<ul> -<li> To initialize the control on a different machine use the following -pattern: -<pre> - <domain/username>:<password>@server/{8E27C92B-1264-101C-8A2F-040224009C02} - </pre> - -<li> To initialize a licensed control use the following pattern: -<pre> - {8E27C92B-1264-101C-8A2F-040224009C02}:<LicenseKey> - </pre> - -<li> To connect to an already running object use the following pattern: -<pre> - {8E27C92B-1264-101C-8A2F-040224009C02}& - </pre> - -</ul> -The first two patterns can be combined, e.g. to initialize a licensed -control on a remote machine: -<pre> - ctrl->setControl("DOMAIN/user:password@server/{8E27C92B-1264-101C-8A2F-040224009C02}:LicenseKey"); - </pre> - -<p> The control's read function always returns the control's UUID, if provided including the license -key, and the name of the server, but not including the username, the domain or the password. - -<p>Set this property's value with <a href="#setControl">setControl</a>() and get this property's value with <a href="#control">control</a>(). -<!-- eof --> -<hr><p> -This file is part of the <a href="index.html">TQt toolkit</a>. -Copyright © 1995-2007 -<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 © 2007 -<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> -<td align=right><div align=right>TQt 3.3.8</div> -</table></div></address></body> -</html> |