public void SetOnUndone( 
   Action callback
)

  // SetOnUndone, SetOnRedone and SetOnComittedManage can be used to manage 
  // external actions(such as writing to a log table) that are associated with 
  // each edit operation.

  //get selected feature and update attribute
  var selectedFeatures = MapView.Active.Map.GetSelection();
  var testInspector = new Inspector();
  testInspector.Load(selectedFeatures.ToDictionary().Keys.First(), selectedFeatures.ToDictionary().Values.First());
  testInspector["Name"] = "test";

  //create and execute the edit operation
  var updateTestField = new EditOperation();
  updateTestField.Name = "Update test field";
  updateTestField.Modify(insp);

  //actions for SetOn...
  updateTestField.SetOnUndone(() =>
  {
    //Sets an action that will be called when this operation is undone.
    Debug.WriteLine("Operation is undone");
  });

  updateTestField.SetOnRedone(() =>
  {
    //Sets an action that will be called when this editoperation is redone.
    Debug.WriteLine("Operation is redone");
  });

  updateTestField.SetOnComitted((bool b) => //called on edit session save(true)/discard(false).
  {
    // Sets an action that will be called when this editoperation is committed.
    Debug.WriteLine("Operation is committed");
  });

  updateTestField.Execute();
}