说明： 提供通用的xml查看工具，封装了三个类：CXmlDocumentWrapper，对xml文件操作，CXmlNodeListWrapper，节点集操作，CXmlNodeWrapper，节点操作
(provide common tools xml View, Packaging, a three categories : CXmlDocumentWrapper the xml file manipulation, CXmlNodeListWrapper, Node Set operation, CXmlNodeWrapper, Node Operation)
文件列表：
xmlview
.......\MSXML3.
tlh
.......\MSXML3.
tli
.......\ReadMe.
txt
.......
\res
.......\...\XMLView.
rc2
.......\resource.
h
.......\StdAfx.
cpp
.......\StdAfx.
h
.......\XmlNodeWrapper.
cpp
.......\XmlNodeWrapper.
h
.......\XMLView.
aps
.......\XMLView.
clw
.......\XMLView.
cpp
.......\XMLView.
dsp
.......\XMLView.
dsw
.......\XMLView.
h
.......\XMLView.
ncb
.......\XMLView.
opt
.......\XMLView.
plg
.......\XMLView.
rc
.......\XMLView.
sln
.......\XMLView.
vcproj
.......\XMLViewDlg.
cpp
.......\XMLViewDlg.
h
