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PortalSiteMapProvider.GetChildNodes - Méthode (PortalSiteMapNode, NodeTypes, NodeTypes, OrderingMethod, AutomaticSortingMethod, Boolean, Int32)

  • Article

Renvoie une collection triée, tronqué à la sécurité des nœuds enfants pour un nœud parent spécifié, les types de nœuds pour inclure les types de nœuds masqués à inclure et d'options de tri.

Espace de noms :  Microsoft.SharePoint.Publishing.Navigation
Assembly :  Microsoft.SharePoint.Publishing (dans Microsoft.SharePoint.Publishing.dll)

Syntaxe

'Déclaration
Public Overridable Function GetChildNodes ( _
    node As PortalSiteMapNode, _
    includedTypes As NodeTypes, _
    includedHiddenTypes As NodeTypes, _
    ordering As OrderingMethod, _
    method As AutomaticSortingMethod, _
    ascending As Boolean, _
    lcid As Integer _
) As SiteMapNodeCollection
'Utilisation
Dim instance As PortalSiteMapProvider
Dim node As PortalSiteMapNode
Dim includedTypes As NodeTypes
Dim includedHiddenTypes As NodeTypes
Dim ordering As OrderingMethod
Dim method As AutomaticSortingMethod
Dim ascending As Boolean
Dim lcid As Integer
Dim returnValue As SiteMapNodeCollection

returnValue = instance.GetChildNodes(node, _
    includedTypes, includedHiddenTypes, _
    ordering, method, ascending, lcid)

public virtual SiteMapNodeCollection GetChildNodes(
    PortalSiteMapNode node,
    NodeTypes includedTypes,
    NodeTypes includedHiddenTypes,
    OrderingMethod ordering,
    AutomaticSortingMethod method,
    bool ascending,
    int lcid
)

Paramètres

  • ascending
    Type : System.Boolean

    Si vous souhaitez utiliser dans l'ordre croissant ou décroissant.

  • lcid
    Type : System.Int32

    L'ID de paramètres régionaux à utiliser pour le tri de la culture.

Valeur renvoyée

Type : System.Web.SiteMapNodeCollection
Une collection d'enfants de nœuds de types spécifiés qui sont triés comme spécifié.

Exemples

L'exemple suivant référence les assemblys suivants :

  • 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
{
    class GetChildNodesSample
    {
        // Get a list of the navigation headings beneath a specified
        // Web site in current navigation. This method must be called from
        // within a current and valid HttpContext object.
        public static List<string>GetNavigationHeadingTitles(string serverRelativeWebUrl)
        {
            List<string> titles = null;

            // Get a reference to the current navigation provider:
            // the one that doesn't HTML-encode titles.
            PortalSiteMapProvider portalProvider = PortalSiteMapProvider.CurrentNavSiteMapProviderNoEncode;
            // lookup the node for the given Web site URL.
            PortalWebSiteMapNode webNode = 
                portalProvider.FindSiteMapNode(serverRelativeWebUrl) as PortalWebSiteMapNode;

            if (webNode != null)
            {
                // Retrieve the heading nodes beneath the 
                // specified Web site.
                SiteMapNodeCollection headingNodes = 
                    portalProvider.GetChildNodes(webNode, NodeTypes.Heading, NodeTypes.None);

                titles = new List<string>(headingNodes.Count);

                foreach (PortalSiteMapNode headingNode in headingNodes)
                {
                    // Add the title to the list.
                    titles.Add(headingNode.Title);
                }
            }

            // Return the list of titles.
            return titles;
        }
    }
}

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
    Friend Class GetChildNodesSample
        ' Get a list of the navigation headings beneath a specified
        ' Web site in current navigation. This method must be called from
        ' within a current and valid HttpContext object.
        Public Shared Function GetNavigationHeadingTitles(ByVal serverRelativeWebUrl As String) As List(Of String)
            Dim titles As List(Of String) = Nothing

            ' Get a reference to the current navigation provider:
            ' the one that doesn't HTML-encode titles.
            Dim portalProvider As PortalSiteMapProvider = PortalSiteMapProvider.CurrentNavSiteMapProviderNoEncode
            ' lookup the node for the given Web site URL.
            Dim webNode As PortalWebSiteMapNode = TryCast(portalProvider.FindSiteMapNode(serverRelativeWebUrl), PortalWebSiteMapNode)

            If webNode IsNot Nothing Then
                ' Retrieve the heading nodes beneath the 
                ' specified Web site.
                Dim headingNodes As SiteMapNodeCollection = portalProvider.GetChildNodes(webNode, NodeTypes.Heading, NodeTypes.None)

                titles = New List(Of String)(headingNodes.Count)

                For Each headingNode As PortalSiteMapNode In headingNodes
                    ' Add the title to the list.
                    titles.Add(headingNode.Title)
                Next headingNode
            End If

            ' Return the list of titles.
            Return titles
        End Function
    End Class
End Namespace

Voir aussi

Référence

PortalSiteMapProvider classe

PortalSiteMapProvider - Membres

GetChildNodes - Surcharge

Microsoft.SharePoint.Publishing.Navigation - Espace de noms

PortalSiteMapProvider