file dialog class

例句：

1. 1. The file dialog box allows you to select and edit files.
   文件对话框允许您选择和编辑文件。
2. 2. The user interface of the application is designed with a simple and intuitive file dialog.
   应用程序的用户界面设计简单直观，具有文件对话框。
3. 3. During the installation process, the user is prompted to choose the location for the newfile dialog.
   在安装过程中，用户被提示选择新文件对话框的位置。