一个简单的文本编辑程序，通过下拉菜单“OpenFile”命令将指定文本文件打开并将内容显示到窗口中去，能进行全屏幕编辑。通过下拉菜单“savefile”命令将窗口内容保存到程序指定的文件中，保存时提醒是否真的要保存。设文件的最大长度小于2000b-A simple text editor program, through the drop-down menu " OpenFile"　command opens the specified text file and displays the contents of the window, and can be full-screen editing. Through the drop-down menu " savefile"　command window contents will be saved to the procedures specified in the document, save to remind really want to save. Paper-based 2000b is less than the maximum length