本设计主要完成一个文本编辑器设计，该文本编辑器具有打开、关闭、保存、另存、打印和打印设置等基本文档处理功能，在编辑过程中，还能与操作系统的剪贴板互相交换数据，即具有剪切、复制和粘贴功能，在编辑过程中还能选中全部内容，并能执行删除操作等，在排版过程中，能设置文本对齐，包括左对齐、右对齐和居中等，最后该文本编辑器能够对文字的字体字号进行设置。-The design was completed for the design of a text editor, the text editor has opened, close, save, save, print and print set up the basic document processing functions in the editing process, but also with the operating system' s clipboard to exchange data , that has cut, copy and paste functions in the editing process can select the entire contents, and can perform operations such as delete, in the layout process, to set the text alignment, including the left, right and center alignment etc. Finally, the text editor able to set font size font text.