📄 jmenubar.html
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<A NAME="fields_inherited_from_class_java.awt.image.ImageObserver"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from interface java.awt.image.<A HREF="../../java/awt/image/ImageObserver.html">ImageObserver</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../java/awt/image/ImageObserver.html#ABORT">ABORT</A>, <A HREF="../../java/awt/image/ImageObserver.html#ALLBITS">ALLBITS</A>, <A HREF="../../java/awt/image/ImageObserver.html#ERROR">ERROR</A>, <A HREF="../../java/awt/image/ImageObserver.html#FRAMEBITS">FRAMEBITS</A>, <A HREF="../../java/awt/image/ImageObserver.html#HEIGHT">HEIGHT</A>, <A HREF="../../java/awt/image/ImageObserver.html#PROPERTIES">PROPERTIES</A>, <A HREF="../../java/awt/image/ImageObserver.html#SOMEBITS">SOMEBITS</A>, <A HREF="../../java/awt/image/ImageObserver.html#WIDTH">WIDTH</A></CODE></TD></TR></TABLE> <!-- ======== 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/JMenuBar.html#JMenuBar()">JMenuBar</A></B>()</CODE><BR> Creates a new menu bar.</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> <A HREF="../../javax/swing/JMenu.html">JMenu</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/JMenuBar.html#add(javax.swing.JMenu)">add</A></B>(<A HREF="../../javax/swing/JMenu.html">JMenu</A> c)</CODE><BR> Appends the specified menu to the end of the menu bar.</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/JMenuBar.html#addNotify()">addNotify</A></B>()</CODE><BR> Overrides <code>JComponent.addNotify</code> to register this menu bar with the current keyboard manager.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javax/accessibility/AccessibleContext.html">AccessibleContext</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/JMenuBar.html#getAccessibleContext()">getAccessibleContext</A></B>()</CODE><BR> Gets the AccessibleContext associated with this JMenuBar.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../java/awt/Component.html">Component</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/JMenuBar.html#getComponent()">getComponent</A></B>()</CODE><BR> Implemented to be a <code>MenuElement</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../java/awt/Component.html">Component</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/JMenuBar.html#getComponentAtIndex(int)">getComponentAtIndex</A></B>(int i)</CODE><BR> <B>Deprecated.</B> <I>replaced by <code>getComponent(int i)</code></I></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/JMenuBar.html#getComponentIndex(java.awt.Component)">getComponentIndex</A></B>(<A HREF="../../java/awt/Component.html">Component</A> c)</CODE><BR> Returns the index of the specified component.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javax/swing/JMenu.html">JMenu</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/JMenuBar.html#getHelpMenu()">getHelpMenu</A></B>()</CODE><BR> Gets the help menu for the menu bar.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../java/awt/Insets.html">Insets</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/JMenuBar.html#getMargin()">getMargin</A></B>()</CODE><BR> Returns the margin between the menubar's border and its menus.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javax/swing/JMenu.html">JMenu</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/JMenuBar.html#getMenu(int)">getMenu</A></B>(int index)</CODE><BR> Returns the menu at the specified position in the menu bar.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/JMenuBar.html#getMenuCount()">getMenuCount</A></B>()</CODE><BR> Returns the number of items in the menu bar.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javax/swing/SingleSelectionModel.html">SingleSelectionModel</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/JMenuBar.html#getSelectionModel()">getSelectionModel</A></B>()</CODE><BR> Returns the model object that handles single selections.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javax/swing/MenuElement.html">MenuElement</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/JMenuBar.html#getSubElements()">getSubElements</A></B>()</CODE><BR> Implemented to be a <code>MenuElement</code> -- returns the menus in this menu bar.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javax/swing/plaf/MenuBarUI.html">MenuBarUI</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/JMenuBar.html#getUI()">getUI</A></B>()</CODE><BR> Returns the menubar's current UI.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../java/lang/String.html">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/JMenuBar.html#getUIClassID()">getUIClassID</A></B>()</CODE><BR> Returns the name of the L&F class that renders this component.</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/JMenuBar.html#isBorderPainted()">isBorderPainted</A></B>()</CODE><BR> Returns true if the menu bars border should be painted.</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/JMenuBar.html#isManagingFocus()">isManagingFocus</A></B>()</CODE><BR> Returns true to indicate that this component manages focus events internally.</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/JMenuBar.html#isSelected()">isSelected</A></B>()</CODE><BR> Returns true if the menu bar currently has a component selected.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor">⌨️ 快捷键说明
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