完全不使用 Windows 标准 Edit Control 而实作出的改良版 TEdit 构件，提供类似 Delphi 集成开发环境编辑器中将关键字以不同色彩显示的功能-not use the standard Windows Edit Control and is the improved version TEd it component, similar Delphi Integrated Development Environment Editor will be the keyword in a different color display function