XmlDocument.IsReadOnly Property

Gets a value indicating whether the current node is read-only.

Namespace:  System.Xml
Assembly:  System.Xml (in System.Xml.dll)

public override bool IsReadOnly { get; }

Property Value

Type: System.Boolean
true if the current node is read-only; otherwise false. XmlDocument nodes always return false.

A read-only node is one whose properties, attributes, or children cannot be changed. You can remove a read-only node from the tree and insert it somewhere else.

This property is a Microsoft extension to the Document Object Model (DOM).

The following example shows how to use the IsReadOnly property.


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

public class Sample
{
  public static void Main()
  {
    //Create the XmlDocument.
    XmlDocument doc = new XmlDocument();
    doc.LoadXml("<!DOCTYPE book [<!ENTITY h 'hardcover'>]>" +
                "<book genre='novel' ISBN='1-861001-57-5'>" +
                "<title>Pride And Prejudice</title>" +
                "<style>&h;</style>" +
                "</book>");

    //Determine whether the node is read-only.
    if (doc.DocumentElement.LastChild.FirstChild.IsReadOnly)
       Console.WriteLine("Entity reference nodes are always read-only");

  }
}


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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