PortalSiteMapProvider.GetCachedListItemsByQuery Method

public SiteMapNodeCollection GetCachedListItemsByQuery(
	PortalWebSiteMapNode webNode,
	string listName,
	SPQuery query,
	SPWeb contextWeb
)

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 GetCachedListItemSample

    {

        // Get a list of the created dates for the list items returned by the 
        // given query when run against the cache.
        // Note: You must call this method from within an
        // HttpContext object (that is, HttpContext.Current must return a
        // valid HttpContext)

        public static List<DateTime>GetCachedListItemCreatedDates(
            string serverRelativeWebUrl, string listName, SPQuery query)

        {

            List<DateTime> createdDates = null;

             // Get a reference to the current navigation provider 
            // (that is, the one that doesn't HTML-encode titles).

            PortalSiteMapProvider portalProvider = 
              PortalSiteMapProvider.CurrentNavSiteMapProviderNoEncode;

            // Look up the node for the given Web site URL.

            PortalWebSiteMapNode webNode = 

                portalProvider.FindSiteMapNode(serverRelativeWebUrl) as PortalWebSiteMapNode;

            if (webNode != null)

            {

                // Retrieve nodes representing the list items returned from the 
                // given query, performed on the given list.

                SiteMapNodeCollection listItemNodes = portalProvider.GetCachedListItemsByQuery(

                        webNode, listName, query, SPContext.Current.Web);

                createdDates = new List<DateTime>(listItemNodes.Count);
                foreach (PortalListItemSiteMapNode listItemNode in listItemNodes)

                {

                    // Use the indexer to access a particular field, and add the value to
                    // the list.

                    createdDates.Add((DateTime)listItemNode[SPBuiltInFieldId.Created]);

                }

            }

            // Return the list of titles.

            return createdDates;

        }
    }
}