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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Thu Apr 27 23:40:08 PDT 2000 --><TITLE>Java 2 Platform SE v1.3: Class SwingPropertyChangeSupport</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/SwingPropertyChangeSupport.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-files/index-1.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><b>Java<sup><font size=-2>TM</font></sup> 2 Platform<br>Std. Ed. v1.3</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../javax/swing/event/PopupMenuEvent.html"><B>PREV CLASS</B></A> <A HREF="../../../javax/swing/event/TableColumnModelEvent.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="SwingPropertyChangeSupport.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javax.swing.event</FONT><BR>Class SwingPropertyChangeSupport</H2><PRE><A HREF="../../../java/lang/Object.html">java.lang.Object</A> | +--<A HREF="../../../java/beans/PropertyChangeSupport.html">java.beans.PropertyChangeSupport</A> | +--<B>javax.swing.event.SwingPropertyChangeSupport</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../java/io/Serializable.html">Serializable</A></DD></DL><HR><DL><DT>public final class <B>SwingPropertyChangeSupport</B><DT>extends <A HREF="../../../java/beans/PropertyChangeSupport.html">PropertyChangeSupport</A></DL><P>This subclass of java.beans.PropertyChangeSupport is identical in functionality -- it sacrifices thread-safety (not a Swing concern) for reduce memory consumption, which helps performance (both big Swing concerns). Most of the overridden methods are only necessary because all of PropertyChangeSupport's instance data is private, without accessor methods.<P><DL><DT><B>See Also: </B><DD><A HREF="../../../serialized-form.html#javax.swing.event.SwingPropertyChangeSupport">Serialized Form</A></DL><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../javax/swing/event/SwingPropertyChangeSupport.html#SwingPropertyChangeSupport(java.lang.Object)">SwingPropertyChangeSupport</A></B>(<A HREF="../../../java/lang/Object.html">Object</A> sourceBean)</CODE><BR> Constructs a SwingPropertyChangeSupport object.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/event/SwingPropertyChangeSupport.html#addPropertyChangeListener(java.beans.PropertyChangeListener)">addPropertyChangeListener</A></B>(<A HREF="../../../java/beans/PropertyChangeListener.html">PropertyChangeListener</A> listener)</CODE><BR> Add a PropertyChangeListener to the listener list.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/event/SwingPropertyChangeSupport.html#addPropertyChangeListener(java.lang.String, java.beans.PropertyChangeListener)">addPropertyChangeListener</A></B>(<A HREF="../../../java/lang/String.html">String</A> propertyName, <A HREF="../../../java/beans/PropertyChangeListener.html">PropertyChangeListener</A> listener)</CODE><BR> Add a PropertyChangeListener for a specific property.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/event/SwingPropertyChangeSupport.html#firePropertyChange(java.beans.PropertyChangeEvent)">firePropertyChange</A></B>(<A HREF="../../../java/beans/PropertyChangeEvent.html">PropertyChangeEvent</A> evt)</CODE><BR> Fire an existing PropertyChangeEvent to any registered listeners.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/event/SwingPropertyChangeSupport.html#firePropertyChange(java.lang.String, java.lang.Object, java.lang.Object)">firePropertyChange</A></B>(<A HREF="../../../java/lang/String.html">String</A> propertyName, <A HREF="../../../java/lang/Object.html">Object</A> oldValue, <A HREF="../../../java/lang/Object.html">Object</A> newValue)</CODE><BR> Report a bound property update to any registered listeners.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/event/SwingPropertyChangeSupport.html#hasListeners(java.lang.String)">hasListeners</A></B>(<A HREF="../../../java/lang/String.html">String</A> propertyName)</CODE><BR> Check if there are any listeners for a specific property.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/event/SwingPropertyChangeSupport.html#removePropertyChangeListener(java.beans.PropertyChangeListener)">removePropertyChangeListener</A></B>(<A HREF="../../../java/beans/PropertyChangeListener.html">PropertyChangeListener</A> listener)</CODE><BR> Remove a PropertyChangeListener from the listener list.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/event/SwingPropertyChangeSupport.html#removePropertyChangeListener(java.lang.String, java.beans.PropertyChangeListener)">removePropertyChangeListener</A></B>(<A HREF="../../../java/lang/String.html">String</A> propertyName, <A HREF="../../../java/beans/PropertyChangeListener.html">PropertyChangeListener</A> listener)</CODE><BR> Remove a PropertyChangeListener for a specific property.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.beans.PropertyChangeSupport"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class java.beans.<A HREF="../../../java/beans/PropertyChangeSupport.html">PropertyChangeSupport</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../java/beans/PropertyChangeSupport.html#firePropertyChange(java.lang.String, boolean, boolean)">firePropertyChange</A>, <A HREF="../../../java/beans/PropertyChangeSupport.html#firePropertyChange(java.lang.String, int, int)">firePropertyChange</A></CODE></TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class java.lang.<A HREF="../../../java/lang/Object.html">Object</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../java/lang/Object.html#clone()">clone</A>, <A HREF="../../../java/lang/Object.html#equals(java.lang.Object)">equals</A>, <A HREF="../../../java/lang/Object.html#finalize()">finalize</A>, <A HREF="../../../java/lang/Object.html#getClass()">getClass</A>, <A HREF="../../../java/lang/Object.html#hashCode()">hashCode</A>, <A HREF="../../../java/lang/Object.html#notify()">notify</A>, <A HREF="../../../java/lang/Object.html#notifyAll()">notifyAll</A>, <A HREF="../../../java/lang/Object.html#toString()">toString</A>, <A HREF="../../../java/lang/Object.html#wait()">wait</A>, <A HREF="../../../java/lang/Object.html#wait(long)">wait</A>, <A HREF="../../../java/lang/Object.html#wait(long, int)">wait</A></CODE></TD></TR>⌨️ 快捷键说明
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