del método PortalSiteMapProvider.CreateAdditionalSiteMapNodes

Permite la adición de objetos PortalSiteMapNode en cualquier objeto de PortalWebSiteMapNode .

Espacio de nombres:  Microsoft.SharePoint.Publishing.Navigation
Ensamblado:  Microsoft.SharePoint.Publishing (en Microsoft.SharePoint.Publishing.dll)

Sintaxis

'Declaración
Public Overridable Function CreateAdditionalSiteMapNodes ( _
    webNode As PortalWebSiteMapNode _
) As SiteMapNodeCollection
'Uso
Dim instance As PortalSiteMapProvider
Dim webNode As PortalWebSiteMapNode
Dim returnValue As SiteMapNodeCollection

returnValue = instance.CreateAdditionalSiteMapNodes(webNode)

public virtual SiteMapNodeCollection CreateAdditionalSiteMapNodes(
    PortalWebSiteMapNode webNode
)

Parámetros

• webNode
  Tipo: Microsoft.SharePoint.Publishing.Navigation.PortalWebSiteMapNode

  Un objeto PortalWebSiteMapNode que representa un sitio Web determinado en la exploración.

Valor devuelto

Tipo: System.Web.SiteMapNodeCollection
Un objeto PortalSiteMapNodeCollection que representa los nodos para agregar debajo de un nodo de la Web ha pasado.

Comentarios

Se llama a este método después de rellenar los objetos secundarios de un objeto PortalWebSiteMapNode .

Cuando se invalida en una clase derivada, puede agregar un objeto personalizado PortalSiteMapNode o un objeto derivado de un objeto PortalSiteMapNode debajo del nodo en la exploración Web.

Ejemplos

En el siguiente ejemplo hace referencia a los siguientes ensamblados:

• System.dll

• System.Data.dll

• System.Xml.dll

• System.Web.dll

• System.Configuration.dll

• Microsoft.SharePoint.dll

• Microsoft.SharePoint.Library.dll

• Microsoft.SharePoint.Publishing.dll

using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Web;
using Microsoft.SharePoint;
using Microsoft.SharePoint.Navigation;
using Microsoft.SharePoint.Publishing;
using Microsoft.SharePoint.Publishing.Navigation;

namespace Microsoft.SDK.SharePointServer.Samples.WebControls
{
    class MyPortalSiteMapProvider : PortalSiteMapProvider
    {
        // Add nodes to navigation under the root node.

        public override SiteMapNodeCollection CreateAdditionalSiteMapNodes(PortalWebSiteMapNode webNode)
        {

            // Initialize these variables properly before running this example code.
            SPQuery query = null;
            string listName = null;

 

            // Only add items if this Web node is the root node.

            if (webNode == webNode.PortalProvider.RootNode)

            {
                SiteMapNodeCollection additionalNodes = new SiteMapNodeCollection();
 
                // Fetch a set of list items to insert.
                SiteMapNodeCollection myListItems = this.GetCachedListItemsByQuery(
                    webNode, listName, query, SPContext.Current.Web);
                foreach (PortalListItemSiteMapNode listItem in myListItems)
                {

                    // Wrap these list item nodes with ProxySiteMapNodes so that they are security trimmed.
                    additionalNodes.Add(new ProxySiteMapNode(webNode, webNode, listItem));
                }
                return additionalNodes;
            }

            return null;
        }
    }
}

Imports System
Imports System.Collections.Generic
Imports System.Text
Imports System.Data
Imports System.Web
Imports Microsoft.SharePoint
Imports Microsoft.SharePoint.Navigation
Imports Microsoft.SharePoint.Publishing
Imports Microsoft.SharePoint.Publishing.Navigation

Namespace Microsoft.SDK.SharePointServer.Samples.WebControls
    Friend Class MyPortalSiteMapProvider
        Inherits PortalSiteMapProvider
        ' Add nodes to navigation under the root node.

        Public Overrides Function CreateAdditionalSiteMapNodes(ByVal webNode As PortalWebSiteMapNode) As SiteMapNodeCollection

            ' Initialize these variables properly before running this example code.
            Dim query As SPQuery = Nothing
            Dim listName As String = Nothing



            ' Only add items if this Web node is the root node.

            If webNode Is webNode.PortalProvider.RootNode Then

                Dim additionalNodes As New SiteMapNodeCollection()

                ' Fetch a set of list items to insert.
                Dim myListItems As SiteMapNodeCollection = Me.GetCachedListItemsByQuery(webNode, listName, query, SPContext.Current.Web)
                For Each listItem As PortalListItemSiteMapNode In myListItems

                    ' Wrap these list item nodes with ProxySiteMapNodes so that they are security trimmed.
                    additionalNodes.Add(New ProxySiteMapNode(webNode, webNode, listItem))
                Next listItem
                Return additionalNodes
            End If

            Return Nothing
        End Function
    End Class
End Namespace

Vea también

Referencia

clase PortalSiteMapProvider

Miembros PortalSiteMapProvider

Espacio de nombres Microsoft.SharePoint.Publishing.Navigation

PortalSiteMapProvider