Hi Ajit, one more thing that I have just noticed:
/** * Flag to indicate UI update is in progress */ private boolean updateInProgress; I think the field must be transient. In Swing every component is serializable. When updateInProgress is set to true and you serialize/deserialize the component, then the call of the #updateUI()-method on the deserialized instance would never update the UI of the deserialized component because the flag updateInProgress will never change from true to false. Best regards, Andrej Golovnin
