a)支持自绘或者自定义控件Tab分页. b)支持客户端拖动 c)支持ToolTip提示 d)支持三态按钮（关闭、最小化、菜单按钮） e)第一个分页支持绿色按钮，三态大按钮。 f)支持自定义控件开发-a) Support from painted or Custom Controls Tab paging. b) to support the client to drag c) support the ToolTip prompt d) To support the three

communication between the two pd applications to achieve the two pd applications between the DDE communication