Tracking keystrokes in a combobox?

[DeJarnett]

Is is possible to have a listener event that is triggered any time a keystroke is made in a combobox component? From reading the documentation, it looks like I should build a listener based on the textField property of the combobox. This is what I tried:

objComboListener = new Object();

objComboListener.change = function(eventObj){
trace(" inside change ");
}

myCombo.textField.addEventListener("change", objComboListener);

but nothing gets fired.

Thanks for any input.

[DeJarnett]

Figured it out. Needed to use the keyUp event listening to the combobox rather than the change event listening to the textField.