SerializedProperty.hasMultipleDifferentValues

描述

由于多对象编辑，此属性是否表示多个不同的值？(只读)

当存在多个目标对象，并且它们的值不都相同的时候返回 true。其他资源：SerializedObject.targetObjects，SerializedObject.SetIsDifferentCacheDirty。

using UnityEngine;
using UnityEditor;

public class SerializePropertyHasMultipleDifferentValuesExample : ScriptableObject
{
    public int m_Matching;
    public int m_Different;

    [MenuItem("Example/SerializedProperty hasMultipleDifferentValues Example")]
    static void HasMultipleDifferentValuesExample()
    {
        var instance1 = ScriptableObject.CreateInstance<SerializePropertyHasMultipleDifferentValuesExample>();
        instance1.m_Matching = 1;
        instance1.m_Different = 1;

        var instance2 = ScriptableObject.CreateInstance<SerializePropertyHasMultipleDifferentValuesExample>();
        instance2.m_Matching = 1;
        instance2.m_Different = 2;

        using (var serializedObject = new SerializedObject(new ScriptableObject[] { instance1, instance2 }))
        {
            var matchingProperty = serializedObject.FindProperty("m_Matching");
            var differentProperty = serializedObject.FindProperty("m_Different");

            // Outputs
            //m_Matching  value: 1, matching: True
            //m_Different value: 1, matching: False
            Debug.Log($"m_Matching  value: {matchingProperty.intValue}, matching: {!matchingProperty.hasMultipleDifferentValues}\n" +
                $"m_Different value: {differentProperty.intValue}, matching: {!differentProperty.hasMultipleDifferentValues}");
        }
    }
}