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SPChangeQuery.User Property

Gets or sets a Boolean value that specifies whether changes to SPUser objects are included in the query.

Namespace:  Microsoft.SharePoint
Assembly:  Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Available in Sandboxed Solutions: Yes
Available in SharePoint Online

Syntax

'Declaration
<ClientCallableAttribute> _
Public Property User As Boolean
    Get
    Set
'Usage
Dim instance As SPChangeQuery
Dim value As Boolean

value = instance.User

instance.User = value
[ClientCallableAttribute]
public bool User { get; set; }

Property Value

Type: System.Boolean
true to include changes to users; otherwise, false. The default is false.

Examples

The following example is a console application that queries for all changes to users and prints information about each change to the console.

using System;
using Microsoft.SharePoint;

namespace Test
{
   class ConsoleApp
   {
      static void Main(string[] args)
      {
         using (SPSite siteCollection = new SPSite("https://localhost"))
         {
            using (SPWeb webSite = siteCollection.RootWeb)
            {
               SPChangeQuery query = new SPChangeQuery(false, true);

               // object type
               query.User = true;

               // Get the user collection. 
               SPUserCollection users = webSite.AllUsers;

               int total = 0;

               // Loop until we reach the end of the log.
               while (true)
               {
                  SPChangeCollection changes = siteCollection.ContentDatabase.GetChanges(query);

                  total += changes.Count;

                  // Print info about each change to the console.
                  foreach (SPChange change in changes)
                  {
                     // Get the user's login name.
                     string loginName = String.Empty;
                     SPChangeUser changedUser = (SPChangeUser)change;
                     try
                     {
                        SPUser user = users.GetByID(changedUser.Id);
                        loginName = user.LoginName;
                     }
                     catch (SPException)
                     { 
                        loginName = "Unknown";
                     }
                     
                     Console.WriteLine("\nDate: {0}", change.Time.ToString());
                     Console.WriteLine("Change: {0} user", change.ChangeType.ToString());
                     Console.WriteLine("Login name: {0}", loginName);
                  }

                  // Break out of loop if we have the last batch.
                  if (changes.Count < query.FetchLimit)
                     break;

                  // Otherwise, go get another batch.
                  query.ChangeTokenStart = changes.LastChangeToken;
               }

               Console.WriteLine("\nTotal of {0} changes", total);
            }
         }
         Console.Write("\nPress ENTER to continue...");
         Console.ReadLine();
      }
   }
}
Imports System
Imports Microsoft.SharePoint

Module ConsoleApp
   Sub Main()
      Using siteCollection As SPSite = New SPSite("https://localhost")
         Using webSite As SPWeb = siteCollection.RootWeb

            Dim query As New SPChangeQuery(False, True)

            ' object type
            query.User = True

            ' Get the users.
            Dim users As SPUserCollection = webSite.AllUsers

            Dim total As Integer = 0

            ' Loop until we reach the end of the log.
            While True
               Dim changes As SPChangeCollection = siteCollection.ContentDatabase.GetChanges(query)

               total += changes.Count

               ' Print info about each change to the console.
               For Each change As SPChange In changes

                  ' Get the user's login name.
                  Dim loginName As String = String.Empty
                  Dim changedUser As SPChangeUser = CType(change, SPChangeUser)
                  Try
                     Dim user As SPUser = users.GetByID(changedUser.Id)
                     loginName = user.LoginName
                  Catch ex As SPException
                     loginName = "Unknown"
                  End Try

                  Console.WriteLine(ControlChars.Lf + "Date: {0}", change.Time.ToString())
                  Console.WriteLine("Change: {0} user", change.ChangeType.ToString())
                  Console.WriteLine("Login name: {0}", loginName)
               Next change

               ' Break out of loop if we have the last batch.
               If changes.Count < query.FetchLimit Then
                  Exit While
               End If
               ' Otherwise, go get another batch.
               query.ChangeTokenStart = changes.LastChangeToken
            End While

            Console.WriteLine(ControlChars.Lf + "Total of {0} changes", total)

         End Using
      End Using

      Console.Write(vbCrLf + "Press ENTER to continue...")
      Console.ReadLine()

   End Sub
End Module

See Also

Reference

SPChangeQuery Class

SPChangeQuery Members

Microsoft.SharePoint Namespace

SPChangeUser