ソースコード

using System;
using UnityEditor.SceneManagement;

public sealed class SceneSetupScope : IDisposable
{
    private readonly SceneSetup[] m_oldSetups;

    public SceneSetupScope()
    {
        m_oldSetups = EditorSceneManager.GetSceneManagerSetup();
    }

    public void Dispose()
    {
        EditorSceneManager.RestoreSceneManagerSetup( m_oldSetups );
    }
}