delphi在屏幕上显示翻转的汉字，可以修改字体，大小等各种内容-delphi flip the characters displayed on the screen may change the font, size, and other content

richedit有时候作为led屏幕的展示控件，需要整页翻页，只需要简单处理即可完成。-richedit sometimes as a showcase for control led screen, you need to flip the entire page, you only need to complete a simple process.