Undo.undoRedoPerformed

public static Undo.UndoRedoCallback undoRedoPerformed ;

説明

Undo か Redo が実行された後、コールバックがトリガーされます。

using UnityEditor;
using UnityEngine;

public class ExampleScript : MonoBehaviour
{
    void Start()
    {
        Undo.undoRedoPerformed += MyUndoCallback;
    }

    void MyUndoCallback()
    {
        // code for the action to take on Undo
    }
}