该程序是利用labvIEW实现文档编辑的功能。该程序能够新建文档，将新建文档内容保存为txt格式，同时还能将已经存在的文档进行打开进行编辑。-The procedure is to use labvIEW achieve document editing functions. The program can create a new document, the new document will be saved as a txt format content, while the existi