Autodesk forge 如何更改停靠面板'；书名

我想更改面板的标题（使用dockingpanel创建）

我使用方法dockingpanel“setTitle（…）”

发生了以下错误

" DockingPanel.js:477未捕获类型错误：无法读取未定义的属性“removeAttribute” 在MyPanel.o.setTitle（DockingPanel.js:477） "

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如果您能告诉我如何更改停靠面板标题，我将不胜感激。这几乎就像您在调用其super构造函数之前调用的

DockinPanel\setTitle

。请在

Autodesk.Viewing.UI.DockingPanel.call

或

super（）

  // es5
  var SimplePanel = function(parentContainer, id, title, content, x, y)
  {
      this.content = content;
      Autodesk.Viewing.UI.DockingPanel.call(this, parentContainer, id, '');
      // Auto-fit to the content and don't allow resize.  Position at the coordinates given.
      //
      this.container.style.height = "auto";
      this.container.style.width = "auto";
      this.container.style.resize = "none";
      this.container.style.left = x + "px";
      this.container.style.top = y + "px";
    

      // Call setTitle here
  };

  SimplePanel.prototype = Object.create(Autodesk.Viewing.UI.DockingPanel.prototype);
  SimplePanel.prototype.constructor = SimplePanel;

  // es6
  class SimplePanel extends Autodesk.Viewing.UI.DockingPanel {
     constructor(parentContainer, id, title, content, x, y) {
       super();

       // Call setTitle here
     }

  }