Introduction - If you have any usage issues, please Google them yourself
Based on VC++ Split a single document window application example, it is practical.
Packet : 53607900splitwnd.rar filelist
SplitWndDemo\MainFrm.cpp
SplitWndDemo\MainFrm.h
SplitWndDemo\ReadMe.txt
SplitWndDemo\res\SplitWndDemo.ico
SplitWndDemo\res\SplitWndDemo.rc2
SplitWndDemo\res\SplitWndDemoDoc.ico
SplitWndDemo\res\Toolbar.bmp
SplitWndDemo\Resource.h
SplitWndDemo\SplitWndDemo.aps
SplitWndDemo\SplitWndDemo.clw
SplitWndDemo\SplitWndDemo.cpp
SplitWndDemo\SplitWndDemo.dsp
SplitWndDemo\SplitWndDemo.dsw
SplitWndDemo\SplitWndDemo.h
SplitWndDemo\SplitWndDemo.ncb
SplitWndDemo\SplitWndDemo.opt
SplitWndDemo\SplitWndDemo.plg
SplitWndDemo\SplitWndDemo.rc
SplitWndDemo\SplitWndDemoDoc.cpp
SplitWndDemo\SplitWndDemoDoc.h
SplitWndDemo\SplitWndDemoView.cpp
SplitWndDemo\SplitWndDemoView.h
SplitWndDemo\StdAfx.cpp
SplitWndDemo\StdAfx.h
SplitWndDemo\View2.cpp
SplitWndDemo\View2.h
SplitWndDemo\View3.cpp
SplitWndDemo\View3.h
SplitWndDemo\View4.cpp
SplitWndDemo\View4.h
SplitWndDemo\res
SplitWndDemo