MFC单文档实现多视图

[{"title":"（ 159 个子文件 220KB ） MFC单文档实现多视图","children":[{"title":"www.pudn.com.txt <span style='color:#111;'> 218B </span>","children":null,"spread":false},{"title":"MainFrm.h <span style='color:#111;'> 0B </span>","children":null,"spread":false},{"title":"MainFrm.cpp <span style='color:#111;'> 5.16KB </span>","children":null,"spread":false},{"title":"PrintSampleDoc.h <span style='color:#111;'> 1.62KB </span>","children":null,"spread":false},{"title":"PrintSample.clw <span style='color:#111;'> 2.28KB </span>","children":null,"spread":false},{"title":"......","children":null,"spread":false},{"title":"<span style='color:steelblue;'>文件过多，未全部展示</span>","children":null,"spread":false}],"spread":true}]