XRLib/Assets/Scenes/Sample/HierarchySample.cs

using UnityEngine;
using UVC.UI.List.Tree;
using UVC.UI.Window;

public class HierarchySample : MonoBehaviour
{
    [SerializeField]
    private HierarchyWindow hierarchyWindow;
    
    void Start()
    {
        for (int i = 0; i < 1; i++)
        {
            TreeListItemData itemData = new TreeListItemData("Item " + i);

            int len = Random.Range(1, 5);
            Debug.Log("len: " + len);
            for (int j = 0; j < len; j++)
            {
                itemData.Children.Add(new TreeListItemData("Item " + i + "." + j));
                for (int k = 0; k < Random.Range(0, 3); k++)
                {
                    itemData.Children[j].Children.Add(new TreeListItemData("Item " + i + "." + j + "." + k));
                }
            }
            hierarchyWindow.AddItem(itemData);
        }
    }

}