XsltMessageEncounteredEventArgs Classe

Definizione

Fornisce i dati per l'evento XsltMessageEncountered.Provides data for the XsltMessageEncountered event.

public ref class XsltMessageEncounteredEventArgs abstract : EventArgs
public abstract class XsltMessageEncounteredEventArgs : EventArgs
type XsltMessageEncounteredEventArgs = class
    inherit EventArgs
Public MustInherit Class XsltMessageEncounteredEventArgs
Inherits EventArgs
Ereditarietà
XsltMessageEncounteredEventArgs

Esempio

Nell'esempio seguente viene usato il XsltMessageEncounteredEventArgs per visualizzare xsl:message contenuto alla console.The following example uses the XsltMessageEncounteredEventArgs to display xsl:message content to the console. L'esempio scrive il messaggio seguente nella console: Message received: Author name is not in the correct format <author><name>Plato</name></author>.The sample writes the following message to the console: Message received: Author name is not in the correct format <author><name>Plato</name></author>.

using System;
using System.IO;
using System.Xml;
using System.Xml.Xsl;
using System.Xml.XPath;

public class Sample {

  public static void Main() {

    // Create the XslCompiledTransform object and load the style sheet.
    XslCompiledTransform xslt = new XslCompiledTransform();
    xslt.Load("message.xsl");

    XsltArgumentList argList = new XsltArgumentList();
    argList.XsltMessageEncountered += new XsltMessageEncounteredEventHandler(MessageCallBack);
    
    // Load the file to transform.
    XPathDocument doc = new XPathDocument("books.xml");

    // Transform the file.
    xslt.Transform(doc, argList, XmlWriter.Create("output.xml"));
  }

  private static void MessageCallBack(object sender, XsltMessageEncounteredEventArgs e) {
    Console.WriteLine("Message received: {0}", e.Message);
  }
}
Imports System.IO
Imports System.Xml
Imports System.Xml.Xsl
Imports System.Xml.XPath

Public Class Sample    
    
  Public Shared Sub Main() 
        
    ' Create the XslCompiledTransform object and load the style sheet.
    Dim xslt As New XslCompiledTransform()
    xslt.Load("message.xsl")
        
    Dim argList As New XsltArgumentList()
    AddHandler argList.XsltMessageEncountered, AddressOf MessageCallBack
        
    ' Load the file to transform.
    Dim doc As New XPathDocument("books.xml")
        
    ' Transform the file.
    xslt.Transform(doc, argList, XmlWriter.Create("output.xml"))
    
  End Sub
    
  Private Shared Sub MessageCallBack(ByVal sender As Object, ByVal e As XsltMessageEncounteredEventArgs) 
    Console.WriteLine("Message received: {0}", e.Message)
    
  End Sub
End Class

Nell'esempio vengono utilizzati i file seguenti come input:The example uses the following files as input:

books.xmlbooks.xml

<bookstore>
  <book genre="autobiography" publicationdate="1981" ISBN="1-861003-11-0">
    <title>The Autobiography of Benjamin Franklin</title>
    <author>
      <first-name>Benjamin</first-name>
      <last-name>Franklin</last-name>
    </author>
    <price>8.99</price>
  </book>
  <book genre="novel" publicationdate="1967" ISBN="0-201-63361-2">
    <title>The Confidence Man</title>
    <author>
      <first-name>Herman</first-name>
      <last-name>Melville</last-name>
    </author>
    <price>11.99</price>
  </book>
  <book genre="philosophy" publicationdate="1991" ISBN="1-861001-57-6">
    <title>The Gorgias</title>
    <author>
      <name>Plato</name>
    </author>
    <price>9.99</price>
  </book>
</bookstore>

message.xslmessage.xsl

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
  <xsl:output method="xml" omit-xml-declaration="yes"/>

<xsl:template match="/">
     <xsl:apply-templates select="*"/>
     <xsl:copy-of select="."/>
  </xsl:template>

  <xsl:template match="*">
     <xsl:apply-templates select="//author"/>
  </xsl:template>

  <xsl:template match="author">
    <xsl:if test="not (last-name)">
       <xsl:message terminate="no">Author name is not in the correct format <xsl:copy-of select="."/>
       </xsl:message>
    </xsl:if>
  </xsl:template>

</xsl:stylesheet>

Commenti

L'evento XsltMessageEncountered si verifica durante l'elaborazione XSLT quando viene specificata una xsl:message nel foglio di stile.The XsltMessageEncountered event occurs during XSLT processing when an xsl:message is specified in the style sheet.

Nota

Se l'attributo terminate è impostato su "yes", il processore XSLT smette di eseguire il foglio di stile si interrompe dopo l'elaborazione del messaggio.If the terminate attribute is set to "yes", the XSLT processor stops executing the style sheet stops after the message is processed.

Costruttori

XsltMessageEncounteredEventArgs()

Inizializza una nuova istanza della classe XsltMessageEncounteredEventArgs.Initializes a new instance of the XsltMessageEncounteredEventArgs class.

Proprietà

Message

Ottiene il contenuto dell'elemento xsl:message.Gets the contents of the xsl:message element.

Metodi

Equals(Object)

Determina se l'oggetto specificato è uguale all'oggetto corrente.Determines whether the specified object is equal to the current object.

(Ereditato da Object)
GetHashCode()

Funge da funzione hash predefinita.Serves as the default hash function.

(Ereditato da Object)
GetType()

Ottiene l'oggetto Type dell'istanza corrente.Gets the Type of the current instance.

(Ereditato da Object)
MemberwiseClone()

Crea una copia superficiale dell'oggetto Object corrente.Creates a shallow copy of the current Object.

(Ereditato da Object)
ToString()

Restituisce una stringa che rappresenta l'oggetto corrente.Returns a string that represents the current object.

(Ereditato da Object)

Si applica a

Vedi anche