(Guid) de la propiedad SPFieldLinkCollection.Item

Artículo
05/13/2015

Obtiene el objeto especificado SPFieldLink de la colección mediante su identificador (ID.).

Espacio de nombres: Microsoft.SharePoint
Ensamblado: Microsoft.SharePoint (en Microsoft.SharePoint.dll)

Sintaxis

'Declaración
Public ReadOnly Default Property Item ( _
    id As Guid _
) As SPFieldLink
    Get
'Uso
Dim instance As SPFieldLinkCollection
Dim id As Guid
Dim value As SPFieldLink

value = instance(id)

public SPFieldLink this[
    Guid id
] { get; }

Parámetros

id
Tipo: System.Guid

El valor de la propiedad Id del objeto SPFieldLink que se va a recuperar.

Valor de propiedad

Tipo: Microsoft.SharePoint.SPFieldLink
Un objeto SPFieldLink .

Comentarios

Si no se encuentra el objeto especificado, el indizador devuelve null.

Ejemplos

El ejemplo siguiente muestra una aplicación de consola que recorre en iteración los tipos de contenido que están disponibles en el nivel de sitio, busca las referencias a una columna de sitio en particular.

Imports System
Imports Microsoft.SharePoint

Module ConsoleApp
    Sub Main()
        Dim site As SPSite = New SPSite("https://localhost")
        Try
            Dim web As SPWeb = site.OpenWeb()
            Try
                Dim fldName As String = "WorkPhone"
                Try
                    Dim fld As SPField = web.Fields.GetField(fldName) 'Throws exception if field not found
                    For Each ct As SPContentType In web.AvailableContentTypes
                        Dim fldLnk As SPFieldLink = ct.FieldLinks(fld.Id)
                        If fldLnk IsNot Nothing Then
                            Console.WriteLine("Content type {0} links to the {1} field.", _
                                              ct.Name, fldName)
                        End If
                    Next ct
                Catch ex As ArgumentException
                    Console.WriteLine("ArgumentException thrown by {0}.", ex.TargetSite)
                    Console.WriteLine("Argument passed to GetField is '{0}'.", fldName)
                End Try
            Finally
                web.Dispose()
            End Try
            Finally
                site.Dispose()
            End Try
        Console.Write("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 site = new SPSite("https://localhost"))
            {
                using (SPWeb web = site.OpenWeb())
                {
                    string fldName = "WorkPhone";
                    try
                    {
                        SPField fld = web.Fields.GetField(fldName); // Throws exception if field not found
                        foreach (SPContentType ct in web.AvailableContentTypes)
                        {
                            SPFieldLink fldLnk = ct.FieldLinks[fld.Id];
                            if (fldLnk != null)
                            {
                                Console.WriteLine("Content type {0} links to the {1} field.",
                                                  ct.Name, fldName);
                            }
                        }
                    }
                    catch (ArgumentException ex)
                    {
                        Console.WriteLine("ArgumentException thrown by {0}.", ex.TargetSite);
                        Console.WriteLine("Argument passed to GetField is '{0}'.", fldName);
                    }
                }
            }
            Console.Write("Press ENTER to continue...");
            Console.ReadLine();
        }
    }
}