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POChange height of JCombobox
 

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  1. POChange height of JCombobox
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    <p>Is it possible to increase the height of a <code>JComboBox</code>?(not refering to the popup menu)</p> <p>Have tried:</p> <pre><code>comboBox.setPreferredSize(new Dimension(200, 100)); </code></pre> <p>and </p> <pre><code>Component[] comp = comboBox.getComponents(); for (int i = 0; i &lt; comp.length; i++) { if (comp[i] instanceof JButton) { JButton btn = (JButton) comp[i]; btn.setPreferredSize(new Dimension(200, 100)); } } </code></pre> <p>But no luck. Then I tried to fix the problem with layout managers:</p> <pre><code>JPanel panel = new JPanel(new GridBagLayout()); panel.setPreferredSize(new Dimension(100, 100)); GridBagConstraints c = new GridBagConstraints(); c.weighty = 1; c.fill = GridBagConstraints.VERTICAL; panel.add(cbox, c); </code></pre> <p>But this dose not seems to change the size of the <code>JComboBox</code> button.</p> <pre><code>public class ComboBoxFontChange extends JFrame { public ComboBoxFontChange() { // CREATE BOX JComboBox&lt;String&gt; cbox = new JComboBox&lt;String&gt;(); cbox.setFont(cbox.getFont().deriveFont(30.0f)); // TRY CHANGE SIZE: DOSE NOT WORK.. cbox.setPreferredSize(new Dimension(200, 100)); cbox.setSize(new Dimension(200, 100)); cbox.setMinimumSize(new Dimension(200, 100)); // TRY CHANGE SIZE ON BUTTON INSTEAD: DOSE NOT WORK.. Component[] comp = cbox.getComponents(); for (int i = 0; i &lt; comp.length; i++) { if (comp[i] instanceof JButton) { JButton btn = (JButton) comp[i]; btn.setPreferredSize(new Dimension(200, 100)); btn.setSize(new Dimension(200, 100)); btn.setMinimumSize(new Dimension(200, 100)); } } cbox.addItem("Quarter"); cbox.addItem("Nickel"); cbox.addItem("Penny"); JPanel panel = new JPanel(); panel.add(cbox); getContentPane().add(panel); } public static void main(String[] args) { ComboBoxFontChange frame = new ComboBoxFontChange(); frame.setSize(300, 150); frame.setDefaultCloseOperation(EXIT_ON_CLOSE); frame.setVisible(true); } } </code></pre>
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    1. USGrains
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      1. VTUpMod
    2. VO
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      1. VTUpMod
    1. COYou need to manage size with help of `LayoutManager`. What really you want to do with height?
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      1. USalex2410
    2. COTake a look at [JComboBox tutorial](http://docs.oracle.com/javase/tutorial/uiswing/components/combobox.html#renderer). You may want a custom `ListCellRenderer`
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      1. USPaul Samsotha
    3. COTry `setMaximumRowCount()`, for [example](http://stackoverflow.com/a/8275711/230513).
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      1. UStrashgod
 

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