在窗口中建立菜单和弹出式菜单，”文件”中有”打开”项目，点击后弹出文件对话框，在界面中的1个文本框中显示打开的文件名-Established in the window menu and pop-up menu, " File" in the " open" project, click on the file after the pop-up dialog box, in the interface of a text box displays the fi