When you work with XML documents loaded into an XmlDocument class, you often need to examine the contents of child nodes. The XMLDOM programming interface purposedly provides the ChildNodes property. In the .NET XmlDocument class, ChildNodes returns an internal object of type XmlChildNodes. (The object is not documented, but you can easily verify this claim by simply checking the type of the object that ChildNodes returns.)
XmlChildNodes is not a true collection. It is implemented as a linked list and does not cache any information. What does this mean to you?
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