§ HXRLAP2 {~} $wc = New-Object system.Net.WebClient
§ HXRLAP2 {~} $url = "http://halr9000.com/feed"
§ HXRLAP2 {~} $filepath = "$env:temp\test.xml"
§ HXRLAP2 {~} $wc.DownloadFile( $url, $filepath )
§ HXRLAP2 {~} $xpath = New-Object system.Xml.XPath.XPathDocument( $filepath )
§ HXRLAP2 {~} $xpath | gm


   TypeName: System.Xml.XPath.XPathDocument

Name            MemberType Definition
----            ---------- ----------
CreateNavigator Method     System.Xml.XPath.XPathNavigator CreateNavigator()
Equals          Method     System.Boolean Equals(Object obj)
GetHashCode     Method     System.Int32 GetHashCode()
GetType         Method     System.Type GetType()
ToString        Method     System.String ToString()


§ HXRLAP2 {~} $xnav = $xpath.CreateNavigator()
§ HXRLAP2 {~} $xnav | gm


   TypeName: MS.Internal.Xml.Cache.XPathDocumentNavigator

Name                 MemberType Definition
----                 ---------- ----------
AppendChild          Method     System.Xml.XmlWriter AppendChild(), System.Void AppendChild(String newCh...
AppendChildElement   Method     System.Void AppendChildElement(String prefix, String localName, String n...
CheckValidity        Method     System.Boolean CheckValidity(XmlSchemaSet schemas, ValidationEventHandle...
Clone                Method     System.Xml.XPath.XPathNavigator Clone()
ComparePosition      Method     System.Xml.XmlNodeOrder ComparePosition(XPathNavigator other)
Compile              Method     System.Xml.XPath.XPathExpression Compile(String xpath)
CreateAttribute      Method     System.Void CreateAttribute(String prefix, String localName, String name...
CreateAttributes     Method     System.Xml.XmlWriter CreateAttributes()
CreateNavigator      Method     System.Xml.XPath.XPathNavigator CreateNavigator()
DeleteRange          Method     System.Void DeleteRange(XPathNavigator lastSiblingToDelete)
DeleteSelf           Method     System.Void DeleteSelf()
Equals               Method     System.Boolean Equals(Object obj)
Evaluate             Method     System.Object Evaluate(String xpath), System.Object Evaluate(String xpat...
GetAttribute         Method     System.String GetAttribute(String localName, String namespaceURI)
GetHashCode          Method     System.Int32 GetHashCode()
GetNamespace         Method     System.String GetNamespace(String name)
GetNamespacesInScope Method     System.Collections.Generic.IDictionary`2[[System.String, mscorlib, Versi...
GetPositionHashCode  Method     System.Int32 GetPositionHashCode()
GetType              Method     System.Type GetType()
HasLineInfo          Method     System.Boolean HasLineInfo()
InsertAfter          Method     System.Xml.XmlWriter InsertAfter(), System.Void InsertAfter(String newSi...
InsertBefore         Method     System.Xml.XmlWriter InsertBefore(), System.Void InsertBefore(String new...
InsertElementAfter   Method     System.Void InsertElementAfter(String prefix, String localName, String n...
InsertElementBefore  Method     System.Void InsertElementBefore(String prefix, String localName, String ...
IsContentKindMatch   Method     System.Boolean IsContentKindMatch(XPathNodeType typ)
IsDescendant         Method     System.Boolean IsDescendant(XPathNavigator other)
IsElementMatch       Method     System.Boolean IsElementMatch(String localName, String namespaceURI)
IsKindMatch          Method     System.Boolean IsKindMatch(XPathNodeType typ)
IsSamePosition       Method     System.Boolean IsSamePosition(XPathNavigator other)
LookupNamespace      Method     System.String LookupNamespace(String prefix)
LookupPrefix         Method     System.String LookupPrefix(String namespaceURI)
Matches              Method     System.Boolean Matches(XPathExpression expr), System.Boolean Matches(Str...
MoveTo               Method     System.Boolean MoveTo(XPathNavigator other)
MoveToAttribute      Method     System.Boolean MoveToAttribute(String localName, String namespaceURI)
MoveToChild          Method     System.Boolean MoveToChild(String localName, String namespaceURI), Syste...
MoveToFirst          Method     System.Boolean MoveToFirst()
MoveToFirstAttribute Method     System.Boolean MoveToFirstAttribute()
MoveToFirstChild     Method     System.Boolean MoveToFirstChild()
MoveToFirstNamespace Method     System.Boolean MoveToFirstNamespace(XPathNamespaceScope namespaceScope),...
MoveToFollowing      Method     System.Boolean MoveToFollowing(String localName, String namespaceURI, XP...
MoveToId             Method     System.Boolean MoveToId(String id)
MoveToNamespace      Method     System.Boolean MoveToNamespace(String name)
MoveToNext           Method     System.Boolean MoveToNext(), System.Boolean MoveToNext(String localName,...
MoveToNextAttribute  Method     System.Boolean MoveToNextAttribute()
MoveToNextNamespace  Method     System.Boolean MoveToNextNamespace(XPathNamespaceScope scope), System.Bo...
MoveToParent         Method     System.Boolean MoveToParent()
MoveToPrevious       Method     System.Boolean MoveToPrevious()
MoveToRoot           Method     System.Void MoveToRoot()
PrependChild         Method     System.Xml.XmlWriter PrependChild(), System.Void PrependChild(String new...
PrependChildElement  Method     System.Void PrependChildElement(String prefix, String localName, String ...
ReadSubtree          Method     System.Xml.XmlReader ReadSubtree()
ReplaceRange         Method     System.Xml.XmlWriter ReplaceRange(XPathNavigator lastSiblingToReplace)
ReplaceSelf          Method     System.Void ReplaceSelf(String newNode), System.Void ReplaceSelf(XmlRead...
Select               Method     System.Xml.XPath.XPathNodeIterator Select(String xpath), System.Xml.XPat...
SelectAncestors      Method     System.Xml.XPath.XPathNodeIterator SelectAncestors(XPathNodeType type, B...
SelectChildren       Method     System.Xml.XPath.XPathNodeIterator SelectChildren(XPathNodeType type), S...
SelectDescendants    Method     System.Xml.XPath.XPathNodeIterator SelectDescendants(XPathNodeType type,...
SelectSingleNode     Method     System.Xml.XPath.XPathNavigator SelectSingleNode(String xpath), System.X...
SetTypedValue        Method     System.Void SetTypedValue(Object typedValue)
SetValue             Method     System.Void SetValue(String value)
ToString             Method     System.String ToString()
ValueAs              Method     System.Object ValueAs(Type returnType, IXmlNamespaceResolver nsResolver)...
WriteSubtree         Method     System.Void WriteSubtree(XmlWriter writer)
BaseURI              Property   System.String BaseURI {get;}
CanEdit              Property   System.Boolean CanEdit {get;}
HasAttributes        Property   System.Boolean HasAttributes {get;}
HasChildren          Property   System.Boolean HasChildren {get;}
InnerXml             Property   System.String InnerXml {get;set;}
IsEmptyElement       Property   System.Boolean IsEmptyElement {get;}
IsNode               Property   System.Boolean IsNode {get;}
LineNumber           Property   System.Int32 LineNumber {get;}
LinePosition         Property   System.Int32 LinePosition {get;}
LocalName            Property   System.String LocalName {get;}
Name                 Property   System.String Name {get;}
NamespaceURI         Property   System.String NamespaceURI {get;}
NameTable            Property   System.Xml.XmlNameTable NameTable {get;}
NodeType             Property   System.Xml.XPath.XPathNodeType NodeType {get;}
OuterXml             Property   System.String OuterXml {get;set;}
Prefix               Property   System.String Prefix {get;}
SchemaInfo           Property   System.Xml.Schema.IXmlSchemaInfo SchemaInfo {get;}
TypedValue           Property   System.Object TypedValue {get;}
UnderlyingObject     Property   System.Object UnderlyingObject {get;}
Value                Property   System.String Value {get;}
ValueAsBoolean       Property   System.Boolean ValueAsBoolean {get;}
ValueAsDateTime      Property   System.DateTime ValueAsDateTime {get;}
ValueAsDouble        Property   System.Double ValueAsDouble {get;}
ValueAsInt           Property   System.Int32 ValueAsInt {get;}
ValueAsLong          Property   System.Int64 ValueAsLong {get;}
ValueType            Property   System.Type ValueType {get;}
XmlLang              Property   System.String XmlLang {get;}
XmlType              Property   System.Xml.Schema.XmlSchemaType XmlType {get;}