SPFieldLinkCollection.Item property (Guid)

發行項
05/05/2015

從集合中取得指定的SPFieldLink物件藉由使用其識別碼 (ID)。

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

Syntax

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

value = instance(id)

public SPFieldLink this[
    Guid id
] { get; }

參數

id
Type: System.Guid

要擷取之SPFieldLink物件的 [ Id ] 屬性的值。

Property value

Type: Microsoft.SharePoint.SPFieldLink
SPFieldLink物件。

備註

如果找不到指定的物件，索引子會傳回 null。

Examples

下列範例會逐一查看的內容類型都可在網站層級中，尋找參考至特定網站的資料行的主控台應用程式。

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();
        }
    }
}