XmlValidatingReader.Depth Proprietà
Importante
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Ottiene la profondità del nodo corrente nel documento XML.
public:
virtual property int Depth { int get(); };
public override int Depth { get; }
member this.Depth : int
Public Overrides ReadOnly Property Depth As Integer
Profondità del nodo corrente nel documento XML.
Nell'esempio seguente viene visualizzato ogni nodo, tra cui la profondità, il numero di riga e la posizione della riga.
#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
Nota
La XmlValidatingReader classe è obsoleta in .NET Framework 2.0. È possibile creare un'istanza di convalida XmlReader usando la classe e il Create XmlReaderSettings metodo . Per altre informazioni, vedere la sezione Note della pagina di riferimento XmlReader.
Prodotto | Versioni |
---|---|
.NET | Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7 |
.NET Framework | 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 |
.NET Standard | 2.0, 2.1 |