Package javax.swing

Examples of javax.swing.JButton.addVetoableChangeListener()

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public void test(TestHarness harness)
  {
    JComponent c = new JButton("ABC");
    harness.check(c.getVetoableChangeListeners().length, 0);
    c.addVetoableChangeListener(this);
    harness.check(c.getVetoableChangeListeners().length, 1);
    c.removeVetoableChangeListener(this);
    harness.check(c.getVetoableChangeListeners().length, 0);
    c.removeVetoableChangeListener(this);
    harness.check(c.getVetoableChangeListeners().length, 0);   
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public void test(TestHarness harness)
  {
    JComponent c = new JButton("ABC");
    harness.check(c.getVetoableChangeListeners().length, 0);
    c.addVetoableChangeListener(this);
    harness.check(c.getVetoableChangeListeners().length, 1);
    c.addVetoableChangeListener(null);
    harness.check(c.getVetoableChangeListeners().length, 1);
  }
}
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  {
    JComponent c = new JButton("ABC");
    harness.check(c.getVetoableChangeListeners().length, 0);
    c.addVetoableChangeListener(this);
    harness.check(c.getVetoableChangeListeners().length, 1);
    c.addVetoableChangeListener(null);
    harness.check(c.getVetoableChangeListeners().length, 1);
  }
}
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public void test(TestHarness harness)
  {
    JComponent c = new JButton("ABC");
    harness.check(c.getVetoableChangeListeners().length, 0);
    c.addVetoableChangeListener(this);
    harness.check(c.getVetoableChangeListeners().length, 1);
    harness.check(c.getVetoableChangeListeners()[0], this);
    c.removeVetoableChangeListener(this);
    harness.check(c.getVetoableChangeListeners().length, 0);
  }
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