Further, if the Close button actuates a function in addition to shutting the dialog, you have created a modal dialog box that should follow the conventions for the modal idiom instead.

• 而且如果关闭按钮除了关闭之外，还激活了某个功能，则应该取而代之创建一个模态对话框，按照模态对话框的习惯用法来设计。