diff --git a/Scripts/Editor/NodeEditor.cs b/Scripts/Editor/NodeEditor.cs
index ea07d45..0bd667a 100644
--- a/Scripts/Editor/NodeEditor.cs
+++ b/Scripts/Editor/NodeEditor.cs
@@ -24,7 +24,7 @@ namespace XNodeEditor {
         internal static bool inNodeEditor = false;
 #endif
         private List<string> _excludesField;
-        public sealed override void OnCreate()
+        public override void OnCreate()
         {
             _excludesField = new List<string> { "m_Script", "graph", "position", "ports" };
 
@@ -34,12 +34,6 @@ namespace XNodeEditor {
             {
                 _excludesField.AddRange(fields);
             }
-            
-            Init();
-        }
-
-        protected virtual void Init()
-        {
         }
 
         public virtual void OnHeaderGUI() {
diff --git a/Scripts/Editor/NodeEditorBase.cs b/Scripts/Editor/NodeEditorBase.cs
index 1fc28c7..8133d66 100644
--- a/Scripts/Editor/NodeEditorBase.cs
+++ b/Scripts/Editor/NodeEditorBase.cs
@@ -50,6 +50,7 @@ namespace XNodeEditor.Internal {
 				editor.serializedObject = new SerializedObject(target);
 				editor.window = window;
 				editor.OnCreate();
+				editor.OnInit();
 				editors.Add(target, editor);
 			}
 			if (editor.target == null) editor.target = target;
@@ -84,6 +85,11 @@ namespace XNodeEditor.Internal {
 		/// <summary> Called on creation, after references have been set </summary>
 		public virtual void OnCreate() { }
 
+		/// <summary>
+		/// node editor window OnFocus call 
+		/// </summary>
+		public virtual void OnInit() { }
+
 		public interface INodeEditorAttrib {
 			Type GetInspectedType();
 		}
diff --git a/Scripts/Editor/NodeEditorWindow.cs b/Scripts/Editor/NodeEditorWindow.cs
index a1b222d..8c8f8bb 100644
--- a/Scripts/Editor/NodeEditorWindow.cs
+++ b/Scripts/Editor/NodeEditorWindow.cs
@@ -106,6 +106,7 @@ namespace XNodeEditor {
         void OnFocus() {
             current = this;
             ValidateGraphEditor();
+            graphEditor?.OnFocus();
             if (graphEditor != null && NodeEditorPreferences.GetSettings().autoSave) AssetDatabase.SaveAssets();
         }
 
diff --git a/Scripts/Editor/NodeGraphEditor.cs b/Scripts/Editor/NodeGraphEditor.cs
index 2dc444b..95a7cdd 100644
--- a/Scripts/Editor/NodeGraphEditor.cs
+++ b/Scripts/Editor/NodeGraphEditor.cs
@@ -264,6 +264,15 @@ namespace XNodeEditor {
         /// <summary> Called when opened by NodeEditorWindow </summary>
         public virtual void OnOpen() { }
 
+        public virtual void OnFocus()
+        {
+            foreach (var targetNode in target.nodes)
+            {
+                var editor = NodeEditor.GetEditor(targetNode, window);
+                editor.OnInit();
+            }
+        }
+        
         public virtual Texture2D GetGridTexture() {
             return NodeEditorPreferences.GetSettings().gridTexture;
         }