XmlDocument.DocumentType 属性

定义

命名空间:

System.Xml

程序集:

System.Xml.ReaderWriter.dll

Source:

XmlDocument.cs

获取包含 DOCTYPE 声明的节点。

public:
 virtual property System::Xml::XmlDocumentType ^ DocumentType { System::Xml::XmlDocumentType ^ get(); };

public virtual System.Xml.XmlDocumentType? DocumentType { get; }

member this.DocumentType : System.Xml.XmlDocumentType

Public Overridable ReadOnly Property DocumentType As XmlDocumentType

属性值

XmlDocumentType

包含 DocumentType（DOCTYPE 声明）的 XmlNode。

示例

以下示例获取并显示文档的 DOCTYPE 声明。

#using <System.Xml.dll>

using namespace System;
using namespace System::IO;
using namespace System::Xml;
int main()
{
   
   // Create the XmlDocument.
   XmlDocument^ doc = gcnew 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>" );
   
   // Display the DocumentType.
   Console::WriteLine( doc->DocumentType->OuterXml );
}

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>");

    // Display the DocumentType.
    Console.WriteLine(doc.DocumentType.OuterXml);
  }
}

Option Explicit
Option Strict

Imports System.IO
Imports System.Xml

Public Class Sample
    Public Shared Sub Main()
        ' Create the XmlDocument.
        Dim doc As 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>")
        
        ' Display the DocumentType.
        Console.WriteLine(doc.DocumentType.OuterXml)
    End Sub
End Class

注解

可以 XmlDocument 有一个且只有一个与 DocumentType 相等的 XmlNodeType 子级。

注意

此属性为只读。 若要更改 DocumentType 节点，请删除现有节点，使用 CreateDocumentType 方法创建新节点，然后将新节点添加到文档。

另请参阅

• XmlDocumentType