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ManagedPropertyCollection Class

SharePoint 2010

Represents a collection of ManagedProperty objects.

System.Object
  Microsoft.Office.Server.Search.Administration.ManagedPropertyCollection

Namespace:  Microsoft.Office.Server.Search.Administration
Assembly:  Microsoft.Office.Server.Search (in Microsoft.Office.Server.Search.dll)
C#
VB
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[SharePointPermissionAttribute(SecurityAction.Demand, ObjectModel = true)]
public sealed class ManagedPropertyCollection : IEnumerable

Use the AllManagedProperties property of the Schema class to get the collection of managed properties in the Shared Service Provider's search schema.

To add a new managed property to the collection, use the Create() method.

Use an indexer to return a single managed property from the ManagedPropertyCollection object. For example, assuming the collection is assigned to a variable named mProperties, use mProperties[index] in Microsoft Visual C# or mProperties(index) in Microsoft Visual Basic, where index is a string containing the name of the managed property.

The following code example writes out the full list of managed properties to the console window. For a complete, step-by-step walkthrough of this sample code, see How to: Retrieve the Managed Properties for a Shared Service Provider.

Prerequisites

Ensure a Shared Service Provider is already created.

Project References

Add the following Project References in your console application code project before running this sample:

  • Microsoft.SharePoint

  • Microsoft.Office.Server

  • Microsoft.Office.Server.Search

C#
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using System;
using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.Office.Server.Search.Administration;
using Microsoft.SharePoint;

namespace ManagedPropertiesSample
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {
                //Replace <SiteName> with the name of a site using the Shared Service Provider.
                string strURL = "http://<SiteName>";
                Schema sspSchema = new Schema(SearchContext.GetContext(new SPSite(strURL)));
                ManagedPropertyCollection properties = sspSchema.AllManagedProperties;
                foreach (ManagedProperty property in properties)
                {
                    Console.WriteLine(property.Name);
                }
            }
            catch(Exception ex)
            {
                 Console.WriteLine(ex.ToString());
            }
        }
    }
}
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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Example using SSA

SPServiceContext serviceContext = SPServiceContext.GetContext(site);
SearchServiceApplicationProxy searchApplicationProxy = serviceContext.GetDefaultProxy(typeof(SearchServiceApplicationProxy)) as SearchServiceApplicationProxy;
SearchServiceApplicationInfo searchApplictionInfo = searchApplicationProxy.GetSearchServiceApplicationInfo();
SearchServiceApplication searchApplication = SearchService.Service.SearchApplications.GetValue<SearchServiceApplication>(searchApplictionInfo.SearchServiceApplicationId);

Schema sspSchema = new Schema(searchApplication);   
ManagedPropertyCollection managedProperties = sspSchema.AllManagedProperties;

User running the above code should have proper admin privilege on SSA. To do this select the SSA and in the Ribbon click administrators and add user as admin.

History
How to get this property for SP2010
If SearchContext is obsolete, please suggest how we can get the ManagedPropertyCollection from SSA
History
SearchContext is deprecated.
SearchContext is deprecated and shouldn't be used as an example on a SP 2010 class.
History