WebReferenceCollection.Contains(WebReference) Methode
Definition
Wichtig
Einige Informationen beziehen sich auf Vorabversionen, die vor dem Release ggf. grundlegend überarbeitet werden. Microsoft übernimmt hinsichtlich der hier bereitgestellten Informationen keine Gewährleistungen, seien sie ausdrücklich oder konkludent.
Bestimmt, ob die Auflistung eine bestimmte WebReference Instanz enthält.
public:
bool Contains(System::Web::Services::Description::WebReference ^ webReference);
public bool Contains(System.Web.Services.Description.WebReference webReference);
member this.Contains : System.Web.Services.Description.WebReference -> bool
Public Function Contains (webReference As WebReference) As Boolean
Parameter
- webReference
- WebReference
Der Webverweis, nach dem gesucht werden soll.
Gibt zurück
truewenn die Auflistungen die angegebene Webverweisinstanz enthalten; andernfalls . false
Beispiele
Das folgende Codebeispiel zeigt, wie die Contains Methode verwendet wird.
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);
}
}