在树形，列表控件顶部显示信息的Message Bar控件，类似于ie中提示安装插件等的消息框-In the tree, a list of controls to display information at the top of the Message Bar control, ie similar to the installation of plug-in prompt message box, etc.

Delphi 插件制作与使用 要的拿去一起进步-Delphi production and use of plug-ins to take the step with social progress