工具栏的设计。设计一个窗口外观如下图所示的程序，在窗口下方的“请输入”文本框中输入一句名言，选择“编辑”菜单中的“名言展示”命令，或按下工具栏中的“名言展示”按钮，可将这句名言添加到窗口中间的“名言展示”文本框中。类似地，此程序还可以用这两种方法实现以下功能：复位、调整“名言展示”文本框中字体颜色、查看本程序信息、退出。-Toolbar design. Design a window procedure looks as shown below, in the window below the "Enter" text box, enter a quote, select "Edit" menu in the "famous show" command, or press the tool bar of the "famous show" button can be added to this famous middle of the window, "famous show" text box. Similarly, this program can also use these two methods to achieve the following functions: Reset, adjust the "famous show" text box font color, view the program information and exit.