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