MFC-Split-window

代码说明：

  本实例是一个典型的分割式窗口，即可在同一个框架窗口里同时显示多个视图，这些视图可以是同一个视图，也可以是不同的视图。(This example is a typical split window, you can display multiple views in the same frame window, these views can be the same view, also can be a different view.)