public override void OnGUI(Rect position)
        {
            Rect rect = EditorGUI.IndentedRect(position);

            rect.y += EditorGUIUtility.singleLineHeight / 3.0f;
            HorizontalLineAttribute lineAttr = (HorizontalLineAttribute)attribute;

            NaughtyEditorGUI.HorizontalLine(rect, lineAttr.Height, lineAttr.Color.GetColor());
        }
        public override float GetHeight()
        {
            HorizontalLineAttribute lineAttr = (HorizontalLineAttribute)attribute;

            return(EditorGUIUtility.singleLineHeight + lineAttr.Height);
        }