Version: 2022.2
LanguageEnglish
  • C#

SerializedPropertyType.Generic

Suggest a change

Success!

Thank you for helping us improve the quality of Unity Documentation. Although we cannot accept all submissions, we do read each suggested change from our users and will make updates where applicable.

Close

Submission failed

For some reason your suggested change could not be submitted. Please <a>try again</a> in a few minutes. And thank you for taking the time to help us improve the quality of Unity Documentation.

Close

Cancel

Description

Represents an array, list, struct or class.

The Generic type is used for compound types that are serialized in-line:
- Arrays and lists.
- Structs that are user defined (e.g. not a built in Unity type).
- Classes that are serialized 'by value' (e.g. referenced without the SerializeReference attribute).
- Certain built in Unity structs, when they do not have dedicated SerializedPropertyType enum value. For example RectOffset is Generic, but Vector3 is SerializedPropertyType.Vector3.


Note: The term Generic, when used as a SerializedProperty type, should not be confused with the unrelated C# feature of Generic classes and methods.

See Also: SerializedProperty.isArray, SerializedPropertyType.ManagedReference, SerializedPropertyType.ObjectReference

using System;
using System.Text;
using UnityEngine;
using UnityEditor;
using System.Collections.Generic;

namespace GenericObjectTypeExample { [Serializable] public struct ExampleStruct { public int m_Field; };

[Serializable] public class ExampleClass { public int m_Field; };

public class GenericTypeExample : ScriptableObject { // All these fields will be serialized public int[] m_ArrayOfInt; public List<int> m_ListOfInt; public ExampleStruct m_ExampleStruct = new ExampleStruct() { m_Field = 1 }; public ExampleClass m_ExampleClass = new ExampleClass() { m_Field = 2 };

[SerializeReference] public ExampleClass m_ManagedClass = new ExampleClass() { m_Field = 3 };

[MenuItem("Example/SerializedPropertyType Generic Example")] static void GenericExample() { var scriptableObject = ScriptableObject.CreateInstance<GenericTypeExample>(); using (var serializedObject = new SerializedObject(scriptableObject)) { var report = new StringBuilder();

// Generic ReportType(report, serializedObject, "m_ArrayOfInt"); ReportType(report, serializedObject, "m_ListOfInt"); ReportType(report, serializedObject, "m_ExampleStruct"); ReportType(report, serializedObject, "m_ExampleClass");

// Not Generic ReportType(report, serializedObject, "m_ManagedClass");

Debug.Log(report.ToString());

AccessGenericValues(serializedObject); } }

static void AccessGenericValues(SerializedObject serializedObject) { // "generic" type struct and objects can be retrieved directly with boxedValue ExampleStruct structValues = (ExampleStruct)serializedObject.FindProperty("m_ExampleStruct").boxedValue;

// Alternatively individual fields can be read int fieldInStruct = serializedObject.FindProperty("m_ExampleStruct.m_Field").intValue;

Debug.Log($"Value of field in struct: {structValues.m_Field}, Value of field direct read: {fieldInStruct}");

// Similarly boxedValue supports writing to an inline class SerializedProperty inlineClass = serializedObject.FindProperty("m_ExampleClass");

// Serialize new state in a single call inlineClass.boxedValue = new ExampleClass() { m_Field = 4 };

// Individual fields can also be accessed Debug.Log($"Value of field in class after write: {inlineClass.FindPropertyRelative("m_Field").intValue}");

serializedObject.ApplyModifiedProperties(); }

static void ReportType(StringBuilder report, SerializedObject serializedObject, string propertyPath) { var serializedProperty = serializedObject.FindProperty(propertyPath); report.AppendLine($"{propertyPath} has type {serializedProperty.propertyType}"); } } }
Copyright © 2023 Unity Technologies
优美缔软件(上海)有限公司 版权所有
"Unity"、Unity 徽标及其他 Unity 商标是 Unity Technologies 或其附属机构在美国及其他地区的商标或注册商标。其他名称或品牌是其各自所有者的商标。
公安部备案号:
31010902002961