XmlValidatingReader.Depth Property
Definition
Important
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Gets the depth of the current node in the XML document.
public:
virtual property int Depth { int get(); };
public override int Depth { get; }
member this.Depth : int
Public Overrides ReadOnly Property Depth As Integer
Property Value
The depth of the current node in the XML document.
Examples
The following example displays each node including its depth, line number, and line position.
#using <System.Xml.dll>
using namespace System;
using namespace System::IO;
using namespace System::Xml;
int main()
{
// Create the XML fragment to be parsed.
String^ xmlFrag = "<book>\n"
"<misc>\n"
"<style>paperback</style>\n"
"<pages>240</pages>\n"
"</misc>\n"
"</book>\n";
// Create the XmlNamespaceManager.
XmlNamespaceManager^ nsmgr = gcnew XmlNamespaceManager( gcnew NameTable );
// Create the XmlParserContext.
XmlParserContext^ context = gcnew XmlParserContext( nullptr,nsmgr,nullptr,XmlSpace::None );
// Create the reader.
XmlValidatingReader^ reader = gcnew XmlValidatingReader( xmlFrag,XmlNodeType::Element,context );
IXmlLineInfo^ lineInfo = (dynamic_cast<IXmlLineInfo^>(reader));
if ( lineInfo->HasLineInfo() )
{
// Parse the XML and display each node.
while ( reader->Read() )
{
switch ( reader->NodeType )
{
case XmlNodeType::Element:
Console::Write( " {0} {1}, {2} ", reader->Depth, lineInfo->LineNumber, lineInfo->LinePosition );
Console::WriteLine( "< {0}>", reader->Name );
break;
case XmlNodeType::Text:
Console::Write( " {0} {1}, {2} ", reader->Depth, lineInfo->LineNumber, lineInfo->LinePosition );
Console::WriteLine( " {0}", reader->Value );
break;
case XmlNodeType::EndElement:
Console::Write( " {0} {1}, {2} ", reader->Depth, lineInfo->LineNumber, lineInfo->LinePosition );
Console::WriteLine( "</ {0}>", reader->Name );
break;
}
}
}
// Close the reader.
reader->Close();
}
using System;
using System.IO;
using System.Xml;
public class Sample{
public static void Main(){
// Create the XML fragment to be parsed.
string xmlFrag =
@"<book>
<misc>
<style>paperback</style>
<pages>240</pages>
</misc>
</book>
";
// Create the XmlNamespaceManager.
XmlNamespaceManager nsmgr = new XmlNamespaceManager(new NameTable());
// Create the XmlParserContext.
XmlParserContext context = new XmlParserContext(null, nsmgr, null, XmlSpace.None);
// Create the reader.
XmlValidatingReader reader = new XmlValidatingReader(xmlFrag, XmlNodeType.Element, context);
IXmlLineInfo lineInfo = ((IXmlLineInfo)reader);
if (lineInfo.HasLineInfo()){
// Parse the XML and display each node.
while (reader.Read()){
switch (reader.NodeType){
case XmlNodeType.Element:
Console.Write("{0} {1},{2} ", reader.Depth, lineInfo.LineNumber, lineInfo.LinePosition);
Console.WriteLine("<{0}>", reader.Name);
break;
case XmlNodeType.Text:
Console.Write("{0} {1},{2} ", reader.Depth, lineInfo.LineNumber, lineInfo.LinePosition);
Console.WriteLine(" {0}", reader.Value);
break;
case XmlNodeType.EndElement:
Console.Write("{0} {1},{2} ", reader.Depth, lineInfo.LineNumber, lineInfo.LinePosition);
Console.WriteLine("</{0}>", reader.Name);
break;
}
}
}
// Close the reader.
reader.Close();
}
}
Imports System.IO
Imports System.Xml
public class Sample
public shared sub Main()
' Create the XML fragment to be parsed.
Dim xmlFrag as string = "<book>" + Chr(10) & _
" <misc>" + Chr(10) & _
" <style>paperback</style>" + Chr(10) & _
" <pages>240</pages>" + Chr(10) & _
" </misc>" + Chr(10) & _
"</book>"
' Create the XmlNamespaceManager.
Dim nsmgr as XmlNamespaceManager = new XmlNamespaceManager(new NameTable())
' Create the XmlParserContext.
Dim context as XmlParserContext = new XmlParserContext(nothing, nsmgr, nothing, XmlSpace.None)
' Create the reader.
Dim reader as XmlValidatingReader = new XmlValidatingReader(xmlFrag, XmlNodeType.Element, context)
Dim lineInfo as IXmlLineInfo = CType(reader, IXmlLineInfo)
if (lineInfo.HasLineInfo())
' Parse the XML and display each node.
while (reader.Read())
select case reader.NodeType
case XmlNodeType.Element:
Console.Write("{0} {1},{2} ", reader.Depth, lineInfo.LineNumber, lineInfo.LinePosition)
Console.WriteLine("<{0}>", reader.Name)
case XmlNodeType.Text:
Console.Write("{0} {1},{2} ", reader.Depth, lineInfo.LineNumber, lineInfo.LinePosition)
Console.WriteLine(" {0}", reader.Value)
case XmlNodeType.EndElement:
Console.Write("{0} {1},{2} ", reader.Depth, lineInfo.LineNumber, lineInfo.LinePosition)
Console.WriteLine("</{0}>", reader.Name)
end select
end while
end if
' Close the reader.
reader.Close()
end sub
end class
Remarks
Note
The XmlValidatingReader class is obsolete in .NET Framework 2.0. You can create a validating XmlReader instance by using the XmlReaderSettings class and the Create method. For more information, see the Remarks section of the XmlReader reference page.
Applies to
See also
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