XmlNode.PreviousSibling 属性

定义

获取紧接在该节点之前的节点。Gets the node immediately preceding this node.

public:
 virtual property System::Xml::XmlNode ^ PreviousSibling { System::Xml::XmlNode ^ get(); };
public virtual System.Xml.XmlNode PreviousSibling { get; }
public virtual System.Xml.XmlNode? PreviousSibling { get; }
member this.PreviousSibling : System.Xml.XmlNode
Public Overridable ReadOnly Property PreviousSibling As XmlNode

属性值

XmlNode

前一个 XmlNodeThe preceding XmlNode. 如果前面没有节点,则返回 nullIf there is no preceding node, null is returned.

示例

下面的示例显示 XML 文档中的所有书籍。The following example displays all the books in the XML document.

#using <System.Xml.dll>

using namespace System;
using namespace System::Xml;
int main()
{
   XmlDocument^ doc = gcnew XmlDocument;
   doc->Load( "books.xml" );
   XmlNode^ lastNode = doc->DocumentElement->LastChild;
   Console::WriteLine( "Last book..." );
   Console::WriteLine( lastNode->OuterXml );
   XmlNode^ prevNode = lastNode->PreviousSibling;
   Console::WriteLine( "\r\nPrevious book..." );
   Console::WriteLine( prevNode->OuterXml );
}

using System;
using System.Xml;

public class Sample {

  public static void Main() {

      XmlDocument doc = new XmlDocument();
      doc.Load("books.xml");

      XmlNode lastNode = doc.DocumentElement.LastChild;
      Console.WriteLine("Last book...");
      Console.WriteLine(lastNode.OuterXml);

      XmlNode prevNode = lastNode.PreviousSibling;
      Console.WriteLine("\r\nPrevious book...");
      Console.WriteLine(prevNode.OuterXml);
  }
}
Imports System.Xml

public class Sample 

  public shared sub Main() 

      Dim doc as XmlDocument = new XmlDocument()
      doc.Load("books.xml")

      Dim lastNode as XmlNode = doc.DocumentElement.LastChild
      Console.WriteLine("Last book...")
      Console.WriteLine(lastNode.OuterXml)

      Dim prevNode as XmlNode = lastNode.PreviousSibling
      Console.WriteLine(ControlChars.LF + "Previous book...")
      Console.WriteLine(prevNode.OuterXml)  
  end sub
end class

适用于