从编辑控件中剪切或拷贝字符串，然后把它粘贴到控件中的另一个地方或其他控件中。 用户也可以使用弹出式菜单进行剪切和粘贴-From the edit control in the cut or copy a string, and then paste it to the control of another place or other controls. Users can also use the pop-up menu to c