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WebReferenceCollection.Item[Int32] Proprietà

Definizione

Ottiene o imposta l'istanza di WebReference in corrispondenza dell'indice specificato.

public:
 property System::Web::Services::Description::WebReference ^ default[int] { System::Web::Services::Description::WebReference ^ get(int index); void set(int index, System::Web::Services::Description::WebReference ^ value); };
public System.Web.Services.Description.WebReference this[int index] { get; set; }
member this.Item(int) : System.Web.Services.Description.WebReference with get, set
Default Public Property Item(index As Integer) As WebReference

Parametri

index
Int32

Indice del riferimento Web.

Valore della proprietà

WebReference

Istanza di WebReference in corrispondenza dell'indice specificato.

Esempio

Nell'esempio di codice riportato di seguito viene illustrato come utilizzare la proprietà Item[].

using System;
using System.CodeDom;
using System.CodeDom.Compiler;
using System.Web.Services;
using System.Web.Services.Description;
using System.Web.Services.Discovery;
using System.Xml;
using System.Xml.Serialization;

public class Test
{
    public static void Main ()
    {
        // Read in a WSDL service description.
        string url = "http://www.contoso.com/Example/WebService.asmx?WSDL";
        XmlTextReader reader = new XmlTextReader(url);
        ServiceDescription wsdl = ServiceDescription.Read(reader);

        // Create a WSDL collection.
        DiscoveryClientDocumentCollection wsdlCollection = 
            new DiscoveryClientDocumentCollection();
        wsdlCollection.Add(url, wsdl);

        // Define the parameters needed to create web references.
        CodeNamespace proxyNamespace = new CodeNamespace("ExampleNamespace");
        string baseUrl = "http://www.contoso.com";
        string protocolName = "Soap12";

        // Create some web references.
        WebReference reference1 = new WebReference(
            wsdlCollection, proxyNamespace, protocolName, 
            "UrlKey1", baseUrl);
        WebReference reference2 = new WebReference(
            wsdlCollection, proxyNamespace, protocolName, 
            "UrlKey2", baseUrl);
        WebReference reference3 = new WebReference(
            wsdlCollection, proxyNamespace, protocolName, 
            "UrlKey3", baseUrl);

        // Create a web reference collection.
        WebReferenceCollection references = new WebReferenceCollection();
        references.Add(reference1);
        references.Add(reference2);

        // Confirm that the references were inserted.
        Console.WriteLine("The collection contains {0} references.", 
            references.Count);

        // Insert another reference into the collection.
        references.Insert(2, reference3);

        // Print the index of the inserted reference.
        int index = references.IndexOf(reference3);
        Console.WriteLine("The index of reference3 is {0}.", index);

        // Remove the inserted reference from the collection.
        references.Remove(reference3);

        // Determine if the collection contains reference3.
        if (references.Contains(reference3))
        {
            Console.WriteLine("The collection contains reference3.");
        }
        else 
        {
            Console.WriteLine("The collection does not contain reference3.");
        }

        // Print the URL key of the first reference in the collection.
        Console.WriteLine(
            "The URL key of the first reference in the collection is {0}.",
            references[0].AppSettingUrlKey);

        // Copy the collection to an array leaving the first array slot empty.
        WebReference[] referenceArray = new WebReference[3];
        references.CopyTo(referenceArray, 1);
        Console.WriteLine(
            "The URL key of the first reference in the array is {0}.",
            referenceArray[1].AppSettingUrlKey);
    }
}

Commenti

L'indice è in base zero.

Si applica a