演示了msxml1.0的基本用法，自己实现了在别人的基础上封装了xml4.0操作的类，还演示了利用msxmlwriter格式化输出xml的功能。另外附加了从资源中释放msxml并注册的功能关键词：-demonstration of the basic usage, in the realization of our own people on the basis of the Packaging category xml4.0 operation, also demonstrated the u