这是一个通用的数据库查询工具的需求，设计与实现，有拆分窗口，树列表，查询和展示数据库数据。-This is a universal database query tool needs, design and realization, there are split window, tree list, query and display of database data.

一个基础的窗口分割的例子，用两个列表控件和一个picturebox实现的-A basic example of split window, with two list control and a picturebox to achieve