SPFieldLinkCollection.Item property (String)

發行項
05/05/2015

索引的物件名稱，從集合中取得指定的SPFieldLink物件。

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

Syntax

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

value = instance(name)

public SPFieldLink this[
    string name
] { get; }

參數

name
Type: System.String

欄位參考名稱。

Property value

Type: Microsoft.SharePoint.SPFieldLink
SPFieldLink物件。

備註

可以表示傳遞做為引數的名稱，做為Name屬性的值或DisplayName屬性的值。當您傳遞Name屬性的值時，通常會得到更可靠的結果，原因有二。首先，在集合中的沒有兩個物件中可以有相同的值 [ Name ] 屬性中，雖然兩個或多個物件可以在DisplayName屬性中有相同的值。第二， Name屬性是唯讀的因此它的值不變的而DisplayName屬性可以由具有足夠的權限的使用者進行修改。

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所有的內容類型可用站台層級，尋找參考至特定網站的資料行的主控台應用程式。特別是，應用程式搜尋"電話，"站台資料行的內部名稱，而不是使用資料行的顯示名稱，[商務電話]。

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"
                Dim cts As SPContentTypeCollection = web.AvailableContentTypes
                Dim fldLnk As SPFieldLink = Nothing
                For Each ct As SPContentType In cts
                    fldLnk = ct.FieldLinks(fldName)
                    If fldLnk IsNot Nothing Then
                        Console.WriteLine("Content type {0} links to the {1} field", _
                                          ct.Name, fldName)
                    End If
                Next ct
            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";
                    SPContentTypeCollection cts = web.AvailableContentTypes;
                    SPFieldLink fldLnk = null;
                    foreach (SPContentType ct in cts)
                    {
                        fldLnk = ct.FieldLinks[fldName];
                        if (fldLnk != null)
                        {
                            Console.WriteLine("Content type {0} links to the {1} field", ct.Name, fldName);
                        }
                    }
                }
            }
            Console.Write("Press ENTER to continue...");
            Console.ReadLine();
        }
    }
}