XmlSignificantWhitespace.NodeType Proprietà

Definizione

Spazio dei nomi:

System.Xml

Assembly:

System.Xml.dll, System.Xml.XmlDocument.dll

Assembly:

System.Xml.ReaderWriter.dll

Assembly:

System.Xml.XmlDocument.dll

Assembly:

System.Xml.dll

Assembly:

netstandard.dll

Ottiene il tipo di nodo corrente.

public:
 virtual property System::Xml::XmlNodeType NodeType { System::Xml::XmlNodeType get(); };

public override System.Xml.XmlNodeType NodeType { get; }

member this.NodeType : System.Xml.XmlNodeType

Public Overrides ReadOnly Property NodeType As XmlNodeType

Valore della proprietà

XmlNodeType

Per i nodi XmlSignificantWhitespace, il valore è XmlNodeType.SignificantWhitespace.

Esempio

Nell'esempio seguente viene aggiunto spazio vuoto significativo al documento.

#using <System.Xml.dll>

using namespace System;
using namespace System::IO;
using namespace System::Xml;
public ref class Sample
{
private:
   XmlNode^ currNode;
   XmlTextReader^ reader;

public:
   Sample()
   {
      reader = nullptr;
      String^ filename = "space.xml";
      XmlDocument^ doc = gcnew XmlDocument;
      doc->LoadXml( "<!-- Sample XML fragment -->"
      "<author xml:space='preserve'>"
      "<first-name>Eva</first-name>"
      "<last-name>Corets</last-name>"
      "</author>" );
      Console::WriteLine( "InnerText before..." );
      Console::WriteLine( doc->DocumentElement->InnerText );
      
      // Add white space.     
      currNode = doc->DocumentElement;
      XmlSignificantWhitespace^ sigws = doc->CreateSignificantWhitespace( "\t" );
      currNode->InsertAfter( sigws, currNode->FirstChild );
      Console::WriteLine();
      Console::WriteLine( "InnerText after..." );
      Console::WriteLine( doc->DocumentElement->InnerText );
      
      // Save and then display the file.
      doc->Save( filename );
      Console::WriteLine();
      Console::WriteLine( "Reading file..." );
      ReadFile( filename );
   }


   // Parse the file and print out each node.
   void ReadFile( String^ filename )
   {
      try
      {
         reader = gcnew XmlTextReader( filename );
         String^ sNodeType = nullptr;
         while ( reader->Read() )
         {
            sNodeType = NodeTypeToString( reader->NodeType );
            
            // Print the node type, name, and value.
            Console::WriteLine( "{0}<{1}> {2}", sNodeType, reader->Name, reader->Value );
         }
      }
      finally
      {
         if ( reader != nullptr )
                  reader->Close();
      }

   }

   static String^ NodeTypeToString( XmlNodeType nodetype )
   {
      String^ sNodeType = nullptr;
      switch ( nodetype )
      {
         case XmlNodeType::None:
            sNodeType = "None";
            break;

         case XmlNodeType::Element:
            sNodeType = "Element";
            break;

         case XmlNodeType::Attribute:
            sNodeType = "Attribute";
            break;

         case XmlNodeType::Text:
            sNodeType = "Text";
            break;

         case XmlNodeType::Comment:
            sNodeType = "Comment";
            break;

         case XmlNodeType::Document:
            sNodeType = "Document";
            break;

         case XmlNodeType::Whitespace:
            sNodeType = "Whitespace";
            break;

         case XmlNodeType::SignificantWhitespace:
            sNodeType = "SignificantWhitespace";
            break;

         case XmlNodeType::EndElement:
            sNodeType = "EndElement";
            break;
      }
      return sNodeType;
   }

};

int main()
{
   gcnew Sample;
}

using System;
using System.IO;
using System.Xml;

public class Sample {

  private XmlNode currNode;
  private const String filename="space.xml";
  XmlTextReader reader=null;

  public static void Main() {

    Sample test = new Sample();
  }
  public Sample() {

      XmlDocument doc = new XmlDocument();
      doc.LoadXml("<!-- Sample XML fragment -->" +
                  "<author xml:space='preserve'>" +
                  "<first-name>Eva</first-name>"+
                  "<last-name>Corets</last-name>" +
                  "</author>");

      Console.WriteLine("InnerText before...");
      Console.WriteLine(doc.DocumentElement.InnerText);

      // Add white space.
      currNode=doc.DocumentElement;
      XmlSignificantWhitespace sigws=doc.CreateSignificantWhitespace("\t");
      currNode.InsertAfter(sigws, currNode.FirstChild);

      Console.WriteLine();
      Console.WriteLine("InnerText after...");
      Console.WriteLine(doc.DocumentElement.InnerText);

      // Save and then display the file.
      doc.Save(filename);
      Console.WriteLine();
      Console.WriteLine("Reading file...");
      ReadFile(filename);
  }

  // Parse the file and print out each node.
  public void ReadFile(String filename) {
    try {

      reader = new XmlTextReader(filename);
      String sNodeType = null;
      while (reader.Read()) {
       sNodeType = NodeTypeToString(reader.NodeType);
       // Print the node type, name, and value.
       Console.WriteLine("{0}<{1}> {2}", sNodeType, reader.Name, reader.Value);
      }
    }
    finally {
       if (reader != null)
         reader.Close();
    }
   }

   public static String NodeTypeToString(XmlNodeType nodetype) {
      String sNodeType = null;
      switch (nodetype) {
        case XmlNodeType.None:
          sNodeType = "None";
          break;
        case XmlNodeType.Element:
          sNodeType = "Element";
          break;
        case XmlNodeType.Attribute:
          sNodeType = "Attribute";
          break;
        case XmlNodeType.Text:
          sNodeType = "Text";
          break;
        case XmlNodeType.Comment:
          sNodeType = "Comment";
          break;
        case XmlNodeType.Document:
          sNodeType = "Document";
          break;
        case XmlNodeType.Whitespace:
          sNodeType = "Whitespace";
          break;
        case XmlNodeType.SignificantWhitespace:
          sNodeType = "SignificantWhitespace";
          break;
        case XmlNodeType.EndElement:
          sNodeType = "EndElement";
          break;
      }
      return sNodeType;
   }
}

Option Explicit
Option Strict

Imports System.IO
Imports System.Xml

Public Class Sample
    Private currNode As XmlNode
    Private filename As String = "space.xml"
    Private reader As XmlTextReader = Nothing
    
    Public Shared Sub Main()
        Dim test As New Sample()
    End Sub
    
    Public Sub New()
            Dim doc As New XmlDocument()
            doc.LoadXml("<!-- Sample XML fragment -->" & _
                        "<author xml:space='preserve'>" & _
                        "<first-name>Eva</first-name>"& _
                        "<last-name>Corets</last-name>" & _ 
                        "</author>")
            
            Console.WriteLine("InnerText before...")
            Console.WriteLine(doc.DocumentElement.InnerText)
            
            ' Add white space.     
            currNode = doc.DocumentElement
            Dim sigws As XmlSignificantWhitespace = doc.CreateSignificantWhitespace(ControlChars.Tab)
            currNode.InsertAfter(sigws, currNode.FirstChild)
            
            Console.WriteLine()
            Console.WriteLine("InnerText after...")
            Console.WriteLine(doc.DocumentElement.InnerText)
            
            ' Save and then display the file.
            doc.Save(filename)
            Console.WriteLine()
            Console.WriteLine("Reading file...")
            ReadFile(filename)
        
    End Sub
     
    
    ' Parse the file and print out each node.
    Public Sub ReadFile(filename As String)
        Try
            reader = New XmlTextReader(filename)
            Dim sNodeType As String = Nothing
            While reader.Read()
                sNodeType = NodeTypeToString(reader.NodeType)
                
                'Print the node type, name, value
                Console.WriteLine("{0}<{1}> {2}", sNodeType, reader.Name, reader.Value)
            End While
        Finally
            If (reader IsNot Nothing) Then
                reader.Close()
            End If
        End Try
    End Sub
     
    Public Shared Function NodeTypeToString(nodetype As XmlNodeType) As String
        Dim sNodeType As String = Nothing
        Select Case nodetype
            Case XmlNodeType.None
                sNodeType = "None"
            Case XmlNodeType.Element
                sNodeType = "Element"
            Case XmlNodeType.Attribute
                sNodeType = "Attribute"
            Case XmlNodeType.Text
                sNodeType = "Text"
            Case XmlNodeType.Comment
                sNodeType = "Comment"
            Case XmlNodeType.Document
                sNodeType = "Document"
            Case XmlNodeType.Whitespace
                sNodeType = "Whitespace"
            Case XmlNodeType.SignificantWhitespace
                sNodeType = "SignificantWhitespace"
            Case XmlNodeType.EndElement
                sNodeType = "EndElement"
        End Select
        Return sNodeType
    End Function 'NodeTypeToString
End Class

Vedi anche

• XmlNodeType