peekNode Method
Gets the next node that the nextNode
method will return without advancing the list position.
[Script]
Script Syntax
var objXMLDOMNode = objXMLDOMSelection.peekNode();
Example
var xmlDoc = new ActiveXObject("Msxml2.DOMDocument.5.0"); var oSelection, nodeBook; xmlDoc.setProperty("SelectionLanguage", "XPath"); xmlDoc.async = false; xmlDoc.load("books.xml"); if (xmlDoc.parseError.errorCode != 0) { var myErr = xmlDoc.parseError; alert("You have error " + myErr.reason); } else { oSelection = xmlDoc.selectNodes("//book"); nodeBook = oSelection.peekNode(); alert(nodeBook.xml); }
[Visual Basic]
Visual Basic Syntax
Set objXMLDOMNode = objXMLDOMSelection.peekNode
Example
Dim xmlDoc As New Msxml2.DOMDocument50 Dim oSelection As IXMLDOMSelection Dim nodeBook As IXMLDOMElement xmlDoc.setProperty "SelectionLanguage", "XPath" xmlDoc.async = False xmlDoc.Load "books.xml" If (xmlDoc.parseError.errorCode <> 0) Then Dim myErr Set myErr = xmlDoc.parseError MsgBox("You have error " & myErr.reason) Else Set oSelection = xmlDoc.selectNodes("//book") Set nodeBook = oSelection.peekNode() MsgBox nodeBook.xml End If
[C/C++]
C/C++ Syntax
HRESULT peekNode (IXMLDOMNode** ppNode);
Parameters
- ppNode [out, retval]
- The returned node, or Null if there are no more nodes or if E_PENDING is returned.
C/C++ Return Values
- S_OK
- The value returned if the method is successful.
- E_PENDING
- The value returned if the context document is still being built and the selection object has hit the end of the available nodes to match.
Remarks
Like nextNode
, peekNode
does not result in a snapshot of all matching nodes. Consecutive calls to peekNode
will produce the same node over and over, independent of changes in the underlying tree.
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See Also
Applies to: IXMLDOMSelection