public void OnEnable()
        {
            window         = this;
            window.minSize = new Vector2(350, 250);
            toolCfg        = ToolsConfigManager.Instance;

            noteStyle = new GUIStyle();
            noteStyle.normal.textColor = Color.red;
            noteStyle.fontStyle        = FontStyle.Bold;
        }
 public void OnDisable()
 {
     window    = null;
     toolCfg   = null;
     noteStyle = null;
 }