preferencechangeevent.html

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<CODE>&nbsp;<A HREF="../../lang/String.html" title="java.lang 中的类">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="PreferenceChangeEvent.html#getNewValue()">getNewValue</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;返回首选项的新值。</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="Preferences.html" title="java.util.prefs 中的类">Preferences</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="PreferenceChangeEvent.html#getNode()">getNode</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;返回发出事件的首选项节点。</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.util.EventObject"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TH ALIGN="left"><B>从类 java.util.<A HREF="../EventObject.html" title="java.util 中的类">EventObject</A> 继承的方法</B></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../EventObject.html#getSource()">getSource</A>, <A HREF="../EventObject.html#toString()">toString</A></CODE></TD>
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&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TH ALIGN="left"><B>从类 java.lang.<A HREF="../../lang/Object.html" title="java.lang 中的类">Object</A> 继承的方法</B></TH>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../lang/Object.html#clone()">clone</A>, <A HREF="../../lang/Object.html#equals(java.lang.Object)">equals</A>, <A HREF="../../lang/Object.html#finalize()">finalize</A>, <A HREF="../../lang/Object.html#getClass()">getClass</A>, <A HREF="../../lang/Object.html#hashCode()">hashCode</A>, <A HREF="../../lang/Object.html#notify()">notify</A>, <A HREF="../../lang/Object.html#notifyAll()">notifyAll</A>, <A HREF="../../lang/Object.html#wait()">wait</A>, <A HREF="../../lang/Object.html#wait(long)">wait</A>, <A HREF="../../lang/Object.html#wait(long, int)">wait</A></CODE></TD>
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<A NAME="PreferenceChangeEvent(java.util.prefs.Preferences, java.lang.String, java.lang.String)"><!-- --></A><H3>
PreferenceChangeEvent</H3>
<PRE>
public <B>PreferenceChangeEvent</B>(<A HREF="Preferences.html" title="java.util.prefs 中的类">Preferences</A>&nbsp;node,
                             <A HREF="../../lang/String.html" title="java.lang 中的类">String</A>&nbsp;key,
                             <A HREF="../../lang/String.html" title="java.lang 中的类">String</A>&nbsp;newValue)</PRE>
<DL>
<DD>构造新的 <code>PreferenceChangeEvent</code> 实例。
<P>
<DL>
<DT><B>参数：</B><DD><CODE>node</CODE> - 发出该事件的 Preferences 节点。<DD><CODE>key</CODE> - 已更改首选项的键。<DD><CODE>newValue</CODE> - 首选项的新值；或者如果要移除该首选项，则为 <tt>null</tt>。</DL>
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<A NAME="getNode()"><!-- --></A><H3>
getNode</H3>
<PRE>
public <A HREF="Preferences.html" title="java.util.prefs 中的类">Preferences</A> <B>getNode</B>()</PRE>
<DL>
<DD>返回发出事件的首选项节点。
<P>
<DD><DL>

<DT><B>返回：</B><DD>发出事件的首选项节点。</DL>
</DD>
</DL>
<HR>

<A NAME="getKey()"><!-- --></A><H3>
getKey</H3>
<PRE>
public <A HREF="../../lang/String.html" title="java.lang 中的类">String</A> <B>getKey</B>()</PRE>
<DL>
<DD>返回已更改首选项的键。
<P>
<DD><DL>

<DT><B>返回：</B><DD>已更改首选项的键。</DL>
</DD>
</DL>
<HR>

<A NAME="getNewValue()"><!-- --></A><H3>
getNewValue</H3>
<PRE>
public <A HREF="../../lang/String.html" title="java.lang 中的类">String</A> <B>getNewValue</B>()</PRE>
<DL>
<DD>返回首选项的新值。
<P>
<DD><DL>

<DT><B>返回：</B><DD>首选项的新值；或者如果已将该首选项移除，则为 <tt>null</tt>。</DL>
</DD>
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