C++含有Tab页的多文档界面。 C++默认的多文档界面是采用VC6中的源码编辑方式，我在其中添加了tab页来方便查看当前打开的文档。-C++ Tab page that contains multiple document interface. C++ the default is to use multiple document interface VC6 source code in the editing, I added the tab pages in which to easi