Version: 2022.2
public bool DuplicateCommand ();

描述

Duplicates the array element referenced by the SerializedProperty.

Used to insert another element in the array, initialized to the same contents as the SerializedProperty. See Also: InsertArrayElementAtIndex

using UnityEditor;
using UnityEngine;

public class SerializedPropertyDuplicateCommandExample : ScriptableObject { public string[] m_Data;

[MenuItem("Example/SerializedProperty/DuplicateCommand Example")] static void MenuCallback() { SerializedPropertyDuplicateCommandExample obj = ScriptableObject.CreateInstance<SerializedPropertyDuplicateCommandExample>(); obj.m_Data = new string[] { "A", "B", "C" };

SerializedObject serializedObject = new SerializedObject(obj); SerializedProperty arrayProperty = serializedObject.FindProperty("m_Data");

SerializedProperty element1 = arrayProperty.GetArrayElementAtIndex(1); element1.DuplicateCommand(); element1.DuplicateCommand();

// Last entry has been shifted from index 2 to index 4 SerializedProperty lastElement = arrayProperty.GetArrayElementAtIndex(4); lastElement.DuplicateCommand();

serializedObject.ApplyModifiedProperties();

// Outputs "A B B B C C" Debug.Log("Final array contents: " + string.Join(" ", obj.m_Data)); } }