UndoEvent (OpenMap API)
Date: 2016-12-09

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## com.bbn.openmap.event
Interface UndoEvent

All Known Implementing Classes:
  EditableOMGraphic.OMGraphicUndoEvent, EditableOMPoly.OMPolyUndoEvent, EditableOMRangeRings.OMRangeRingUndoEvent

    public interface UndoEvent

An UndoEvent is an object that contains everything needed to reset its source back to a specific state. Used by the UndoStack. This event is used by the UndoStack to tell other objects to undo/redo - go to a certain state. The events that tell the UndoStack to make these notifications are regular ActionEvents, not these.

Author:
  ddietrick

Method Summary
`java.lang.String` | `getDescription()`
`void` | `setState()` Tell the UndoEvent to set its source object back to the state described by this object.

Method Detail

### getDescription

    java.lang.String getDescription()

  Returns:
    a short description of what will happen when setState() is invoked.

### setState

    void setState()

  Tell the UndoEvent to set its source object back to the state described by this object.

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