Unity3D: Automatic Layout-switching whenever you enter/exit play-mode!

PlayModeSwitch.cs

using UnityEngine;
using UnityEditor;

[InitializeOnLoad]
class PlayModeSwitch : EditorWindow {
	
	static bool lastValue = false;
	
	static PlayModeSwitch () {
		if(!EditorPrefs.GetBool("AutoSwitchToggle", false)) return; //Check if feature is enabled
		EditorApplication.update += Update;
		lastValue = Application.isPlaying;
	}
	
	static void Update () {
		if(lastValue != Application.isPlaying) {
			if(Application.isPlaying == true) {
				Debug.Log ("SWITCHING LAYOUT! **********************************************");
				EditorApplication.ExecuteMenuItem("Window/Layouts/PLAY"); //ENTER YOUR PLAY LAYOUT NAME HERE or create a layout named PLAY
			} else {
				Debug.Log ("SWITCHING LAYOUT! **********************************************");
				EditorApplication.ExecuteMenuItem("Window/Layouts/WORK"); //ENTER YOUR WORK LAYOUT NAME HERE or create a layout named WORK
			}
			lastValue = Application.isPlaying;
		}
	}
	
	[MenuItem("Window/Layouts/Toggle AutoSwitch %F12", false, -999)] //Add to the Layouts menu
	static void ToggleSwitch() {
		bool b = EditorPrefs.GetBool("AutoSwitchToggle", false);
		EditorPrefs.SetBool("AutoSwitchToggle", !b);
		Debug.Log ("Automatic Layout Switching is now " + (!b ? "on" : "off") + "!");
	}
}