gistfile1.cs

using UnityEngine;
using UnityEditor;

public class Delay : Editor
{
	[MenuItem("EditorApplication/StartDelayCall")]
	static void StartDelay ()
	{
		EditorApplication.delayCall += CallMethod;
		Debug.Log (EditorApplication.timeSinceStartup);
	}

	static	void CallMethod ()
	{
		Debug.Log (EditorApplication.timeSinceStartup);
	}
}