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SPChangeQuery.SystemUpdate property

Obtém ou define um valor de Boolean que especifica se as modificações do sistema aos objetos são incluídas na consulta.

Namespace:  Microsoft.SharePoint
Assembly:  Microsoft.SharePoint (in Microsoft.SharePoint.dll)

Syntax

'Declaração
Public Property SystemUpdate As Boolean
    Get
    Set
'Uso
Dim instance As SPChangeQuery
Dim value As Boolean

value = instance.SystemUpdate

instance.SystemUpdate = value
public bool SystemUpdate { get; set; }

Property value

Type: System.Boolean
true para incluir atualizações de sistema; Caso contrário, false. O padrão é false.

Comentários

Esse tipo de alteração é registrado quando um objeto é modificado sem alterar sua propriedade Modified ou Modified By . Você pode obter a hora da alteração da propriedade SPChange.Time .

Examples

O exemplo a seguir é um aplicativo de console que consulta o log de alteração para atualização do sistema para itens na lista de informações de usuário de um site.

Imports System
Imports Microsoft.SharePoint

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

            ' Construct a query.
            Dim query As New SPChangeQuery(False, False)

            ' Set a limit on the number of changes returned on a single trip.
            query.FetchLimit = 500

            ' object type 
            query.Item = True

            ' change type.
            query.SystemUpdate = True

            ' list to query
            Dim list As SPList = webSite.Lists("User Information List")

            ' Convert to local time.
            Dim timeZone As SPTimeZone = webSite.RegionalSettings.TimeZone

            Dim total As Integer = 0

            ' Loop until we reach the end of the log.
            While True

               Dim changes As SPChangeCollection = list.GetChanges(query)
               total += changes.Count

               For Each change As SPChangeItem In changes
                  ' Get the item title.
                  Dim itemName As String = String.Empty
                  Try
                     Dim item As SPListItem = list.GetItemByUniqueId(change.UniqueId)
                     itemName = item.Name
                  Catch ex As ArgumentException
                     itemName = "Item not found"
                  End Try

                  ' Write to the console.
                  Console.WriteLine(vbCrLf + "Date: {0}", _
                                    timeZone.UTCToLocalTime(change.Time).ToString())
                  Console.WriteLine("Change: {0}", change.ChangeType)
                  Console.WriteLine("Item: {0}", itemName)
               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(vbCrLf + "Total of {0} changes", total)

         End Using
      End Using

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

   End Sub
End Module
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)
            {

               // Construct a query.
               SPChangeQuery query = new SPChangeQuery(false, false); 

               // Set a limit on the number of changes returned on a single trip.
               query.FetchLimit = 500;

               // object type 
               query.Item = true;

               // change type
               query.SystemUpdate = true;

               // list to query
               SPList list = webSite.Lists["User Information List"];

               // Convert to local time.
               SPTimeZone timeZone = webSite.RegionalSettings.TimeZone;

               int total = 0;

               // Loop until we reach the end of the log.
               while (true)
               {

                  SPChangeCollection changes = list.GetChanges(query);
                  total += changes.Count;

                  foreach (SPChangeItem change in changes)
                  {
                     // Get the item title.
                     string itemName = String.Empty;
                        try
                        {
                           SPListItem item = list.GetItemByUniqueId(change.UniqueId);
                           itemName = item.Name;
                        }
                        catch (ArgumentException)
                        {
                           itemName = "Item not found";
                        }

                     // Write to the console.
                     Console.WriteLine("\nDate: {0}", 
                                       timeZone.UTCToLocalTime(change.Time).ToString());
                     Console.WriteLine("Change: {0}", change.ChangeType);
                     Console.WriteLine("Item: {0}", itemName);
                  }

                  // 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 changes = {0:#,#}", total);
            }
         }
         Console.Write("\nPress ENTER to continue...");
         Console.ReadLine();
      }
   }
}

Ver também

Referência

SPChangeQuery class

SPChangeQuery members

Microsoft.SharePoint namespace

SystemUpdate()