XmlDocument.CreateComment(String) 方法

定義

命名空間:

System.Xml

組件:

System.Xml.ReaderWriter.dll

Source:

XmlDocument.cs

建立包含指定資料的 XmlComment。

public:
 virtual System::Xml::XmlComment ^ CreateComment(System::String ^ data);

public virtual System.Xml.XmlComment CreateComment (string? data);

abstract member CreateComment : string -> System.Xml.XmlComment
override this.CreateComment : string -> System.Xml.XmlComment

Public Overridable Function CreateComment (data As String) As XmlComment

參數

data

String

新 XmlComment 的內容。

傳回

XmlComment

新的 XmlComment。

範例

下列範例會建立批註，並將它新增至 XML 檔。

#using <System.Xml.dll>

using namespace System;
using namespace System::IO;
using namespace System::Xml;
int main()
{
   XmlDocument^ doc = gcnew XmlDocument;
   doc->LoadXml( "<book genre='novel' ISBN='1-861001-57-5'><title>Pride And Prejudice</title></book>" );
   
   //Create a comment.
   XmlComment^ newComment;
   newComment = doc->CreateComment( "Sample XML document" );
   
   //Add the new node to the document.
   XmlElement^ root = doc->DocumentElement;
   doc->InsertBefore( newComment, root );
   Console::WriteLine( "Display the modified XML..." );
   doc->Save( Console::Out );
}

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

public class Sample
{
  public static void Main()
  {
    XmlDocument doc = new XmlDocument();
    doc.LoadXml("<book genre='novel' ISBN='1-861001-57-5'>" +
                "<title>Pride And Prejudice</title>" +
                "</book>");

    //Create a comment.
    XmlComment newComment;
    newComment = doc.CreateComment("Sample XML document");

    //Add the new node to the document.
    XmlElement root = doc.DocumentElement;
    doc.InsertBefore(newComment, root);

    Console.WriteLine("Display the modified XML...");
    doc.Save(Console.Out);
  }
}

Option Explicit
Option Strict

Imports System.IO
Imports System.Xml

Public Class Sample
    
    Public Shared Sub Main()
        Dim doc As New XmlDocument()
        doc.LoadXml("<book genre='novel' ISBN='1-861001-57-5'>" & _
                    "<title>Pride And Prejudice</title>"  & _
                    "</book>")
        
        'Create a comment.
        Dim newComment As XmlComment
        newComment = doc.CreateComment("Sample XML document")
        
        'Add the new node to the document.
        Dim root As XmlElement = doc.DocumentElement
        doc.InsertBefore(newComment, root)
        
        Console.WriteLine("Display the modified XML...")
        doc.Save(Console.Out)
    End Sub
End Class

備註

雖然這個方法會在檔的內容中建立新的物件，但它不會自動將新物件新增至檔樹狀結構。 若要新增物件，您必須明確呼叫其中一個節點插入方法。

根據 W3C 可延伸標記語言 (XML) 1.0 建議，只有在 EntityReference 節點不是 Attribute 節點的子節點時，才能在 Document、Element 和 EntityReference 節點內允許批註節點。