上一步

• The following table describes the previous button rendering behavior
  下表说明了“上一步”按钮的呈现行为。
• Must correspond to the variable name that was used in the previous step
  必须与上一步中使用的变量名相对应。
• Property determines how and when the previous button is not rendered
  属性确定如何以及何时不呈现“上一步”按钮。
• Gets or sets the type of button that is rendered as the previous button on the
  步骤中的“上一步”按钮的按钮类型。
• For example , we can query the container for properties of the specific
  例如，我们可以查询容器在上一步中创建的特定
• Property , passing it the instance that you created in the previous step
  方法，并将在上一步中所创建的实例传递给它。
• Gets or sets the type of button that is rendered as the previous button
  获取或设置呈现为“上一步”按钮的按钮类型。
• Call the set - up method from the previous step in the form s constructor or
  事件处理方法中，调用上一步中的设置方法。
• Gets or sets the text caption that is displayed for the previous button
  获取或设置为“上一步”按钮显示的文本标题。
• Gets or sets the url of the image that is displayed for the previous button
  获取或设置为“上一步”显示的图像的url 。