🚀 go-pugleaf

Harry,

it works as designed - you get one DESELECTED event for the 
former and one SELECTED event for the new selcected item.
You can use ItemEvent.getStateChange() to distinguish the two 
events.

Torsten

"Harry Whitehouse" <harry@envmgr.com> wrote:
>I must be missing a simple, basic concept WRT JComboBoxes.  I have an applet
>which instantiates one combobox...
>
>JComboBox jComboBoxMailingType = new JComboBox();
>
>I add and item listener, and populate the combobox with a few selections.
>
> jComboBoxMailingType.addItemListener(new java.awt.event.ItemListener() {
>      public void itemStateChanged(ItemEvent e) {
>        jComboBoxMailingType_itemStateChanged(e);
>      }
>    });
>
>
>I've chosen to listen for itemStateChanged()  which invokes a process....
>
>void jComboBoxMailingType_itemStateChanged(ItemEvent e) {
>    DoSomeProcess();
>}
>
>Now the curious thing is I enter the event handler TWICE whenever I change
>the combobox selection.  I'd expect to enter this handler function once per
>change in selection.
>
>Baiscally, I want to DoSomeProcess() once when the combobox selection
>changes to a new value.   Can someone point out what I'm missing here?