TransformHandle.root

Description

Returns the topmost transform in the hierarchy.

(This never returns TransformHandle.None, if this TransformHandle doesn't have a parent it returns itself.)

using UnityEngine;

public class Example : MonoBehaviour
{
    public GameObject Other;

    // Dos this have the same root as other transform?
    void Start()
    {
        if (Other.transformHandle.root != transformHandle.root)
        {
            print("The objects are not in the same hierarchy");
        }
    }
}