PortalSiteMapProvider.CreateAdditionalSiteMapNodes método

Artigo
03/15/2016

Permite a adição de objetos PortalSiteMapNode em qualquer objeto de PortalWebSiteMapNode .

Namespace: Microsoft.SharePoint.Publishing.Navigation
Assembly: Microsoft.SharePoint.Publishing (em Microsoft.SharePoint.Publishing.dll)

Sintaxe

'Declaração
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
)

Parâmetros

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

Um objeto PortalWebSiteMapNode que representa uma determinada Web na barra de navegação.

Valor retornado

Tipo: System.Web.SiteMapNodeCollection
Um objeto PortalSiteMapNodeCollection que representa nós a serem adicionados sob um nó Web passado.

Comentários

Este método é chamado depois de preencher os objetos filho de um objeto PortalWebSiteMapNode .

Quando substituído em uma classe derivada, você pode adicionar um objeto personalizado PortalSiteMapNode ou um objeto derivado de um objeto de PortalSiteMapNode sob o nó Web especificado na barra de navegação.

Exemplos

O exemplo a seguir faz referência os assemblies a seguir:

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

Ver também

Referência

PortalSiteMapProvider classe

PortalSiteMapProvider membros

Microsoft.SharePoint.Publishing.Navigation namespace

PortalSiteMapProvider

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