static var hierarchyWindowChanged : CallbackFunction

Description

Each time an object is (or a group of objects are) created, renamed, parented, unparented or destroyed this callback is raised.

See Also: EditorWindow.OnHierarchyChange.

    using UnityEditor;
    using UnityEngine;
    public class ExampleCode {
        [MenuItem ("Example/Hierarchy Window Changed")]
        static void Example () {
            EditorApplication.hierarchyWindowChanged +=         ExampleCallback;
        }
        static void ExampleCallback () {
            Object[] all = Resources.FindObjectsOfTypeAll (typeof (Object));
            Debug.Log ("There are " + all.Length + " objects at the moment.");
        }
    }