这是一个额外的页面，用户可以在完成打印后将其丢弃；用户的文档正文则不含有任何水印或是改动。
This is an extra page that you can discarded afterwards; your document’s integrity is intact without watermarks or modifications.
我可以毫不含糊地说，基于MSDN文档和我自己的个人测试，没有办法检测按钮按下或搜索按钮按下。
I can unequivocally say, based on the MSDN documentation and my own personal testing that there is no way to detect the home button press or search button press.
根据Collection接口文档的推荐，程序员通常提供一个空（不含参数）的Collection构造函数。
The programmer should generally provide a void (no argument) and Collection constructor, as per the recommendation in the Collection interface specification.
应用推荐