org.openide.util

## Interface LookupListener

- All Superinterfaces:
    EventListener

      public interface LookupListener
      extends EventListener

  General listener for changes in lookup.
  Author:
    Jaroslav Tulach

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `resultChanged(LookupEvent ev)` A change in lookup occured.

- - ### Method Detail

    - #### resultChanged

          void resultChanged(LookupEvent ev)

      A change in lookup occured. Please note that this method should never block since it might be called from lookup implementation internal threads. If you block here you are in risk that the thread you wait for might in turn to wait for the lookup internal thread to finish its work.
      Parameters:
        `ev` - event describing the change

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