public override void OnInspectorGUI() { GUILayout.BeginHorizontal(); if (GUILayout.Button("New Item")) { itemBase.CreateItem(); } if (GUILayout.Button("Remote")) { itemBase.DeleteItem(); } if (GUILayout.Button("<=")) { itemBase.PrevItem(); } if (GUILayout.Button("=>")) { itemBase.NextItem(); } GUILayout.EndHorizontal(); base.OnInspectorGUI(); }