DiscoveryReferenceCollection.Contains-Methode

Ermittelt, ob DiscoveryReferenceCollection einen bestimmten DiscoveryReference enthält.

Namespace: System.Web.Services.Discovery
Assembly: System.Web.Services (in system.web.services.dll)

Syntax

'Declaration
Public Function Contains ( _
    value As DiscoveryReference _
) As Boolean
'Usage
Dim instance As DiscoveryReferenceCollection
Dim value As DiscoveryReference
Dim returnValue As Boolean

returnValue = instance.Contains(value)

public bool Contains (
    DiscoveryReference value
)

public:
bool Contains (
    DiscoveryReference^ value
)

public boolean Contains (
    DiscoveryReference value
)

public function Contains (
    value : DiscoveryReference
) : boolean

Parameter

• value
  Der DiscoveryReference, der in der DiscoveryReferenceCollection gesucht werden soll.

Rückgabewert

true, wenn die DiscoveryReferenceCollection den DiscoveryReference enthält, andernfalls false.

Beispiel

Class MyDiscoveryDocumentMod

   Shared Sub Main()
   Try
      Dim myDiscoveryDocReference1 As New DiscoveryDocumentReference()
      Dim myDiscoveryDocReference2 As New DiscoveryDocumentReference()
      Dim myDiscoveryReference As DiscoveryReference

      Console.WriteLine("Demonstrating DiscoveryReferenceCollection class.")

      ' Create new DiscoveryReferenceCollection.
      Dim myDiscoveryReferenceCollection As New DiscoveryReferenceCollection()

      ' Access the Count method.
      Console.WriteLine("The number of elements in collection is: " & _
         myDiscoveryReferenceCollection.Count.ToString())

      ' Add elements to the collection.
      myDiscoveryReferenceCollection.Add(myDiscoveryDocReference1)
      myDiscoveryReferenceCollection.Add(myDiscoveryDocReference2)

      Console.WriteLine("The number of elements in the collection " _
         & "after adding two elements to the collection: " _
         & myDiscoveryReferenceCollection.Count.ToString())

      ' Call the Contains method.
      If myDiscoveryReferenceCollection.Contains(myDiscoveryDocReference1) _
         <> True Then
         Throw New Exception("Element not found in collection.")
      End If

      ' Access the Item property.
      myDiscoveryReference = myDiscoveryReferenceCollection.Item(0)

      If  myDiscoveryReference Is Nothing Then
         Throw New Exception("Element not found in collection.")
      End If

      ' Remove one element from the collection.
      myDiscoveryReferenceCollection.Remove(myDiscoveryDocReference1)
      Console.WriteLine("The number of elements in collection " _
         & "after removing one element is: " _
         & myDiscoveryReferenceCollection.Count.ToString())

   Catch e As Exception
       Console.Writeline("Exception occured : " + e.Message)
   End Try
   End Sub

End Class

class MyDiscoveryDocumentClass
{
   static void Main()
   {
      DiscoveryDocumentReference myDiscoveryDocReference1 = 
         new DiscoveryDocumentReference();
      DiscoveryDocumentReference myDiscoveryDocReference2 = 
         new DiscoveryDocumentReference();
      DiscoveryReference myDiscoveryReference;

      Console.WriteLine("Demonstrating DiscoveryReferenceCollection class.");
     
      // Create new DiscoveryReferenceCollection.
      DiscoveryReferenceCollection myDiscoveryReferenceCollection = 
         new DiscoveryReferenceCollection();

      // Access the Count method.
      Console.WriteLine("The number of elements in the collection is: " 
         + myDiscoveryReferenceCollection.Count.ToString());

      // Add elements to the collection.
      myDiscoveryReferenceCollection.Add(myDiscoveryDocReference1);
      myDiscoveryReferenceCollection.Add(myDiscoveryDocReference2);

      Console.WriteLine("The number of elements in the collection "
         + "after adding two elements to the collection: " 
         + myDiscoveryReferenceCollection.Count.ToString());

      // Call the Contains method.
      if (myDiscoveryReferenceCollection.Contains(myDiscoveryDocReference1) 
         != true)
      {
         throw new Exception("Element not found in collection.");
      }

      // Access the indexed member.
      myDiscoveryReference = 
         (DiscoveryReference)myDiscoveryReferenceCollection[0];
      if (myDiscoveryReference == null)
      {
         throw new Exception("Element not found in collection.");
      }

      // Remove one element from collection.
      myDiscoveryReferenceCollection.Remove(myDiscoveryDocReference1);
      Console.WriteLine("The number of elements in the collection "
         + "after removing one element is: " 
         + myDiscoveryReferenceCollection.Count.ToString());
   }

int main()
{
   DiscoveryDocumentReference^ myDiscoveryDocReference1 = gcnew DiscoveryDocumentReference;
   DiscoveryDocumentReference^ myDiscoveryDocReference2 = gcnew DiscoveryDocumentReference;
   DiscoveryReference^ myDiscoveryReference;
   Console::WriteLine( "Demonstrating DiscoveryReferenceCollection class." );
   
   // Create new DiscoveryReferenceCollection.
   DiscoveryReferenceCollection^ myDiscoveryReferenceCollection = gcnew DiscoveryReferenceCollection;
   
   // Access the Count method.
   Console::WriteLine( "The number of elements in the collection is: {0}", myDiscoveryReferenceCollection->Count );
   
   // Add elements to the collection.
   myDiscoveryReferenceCollection->Add( myDiscoveryDocReference1 );
   myDiscoveryReferenceCollection->Add( myDiscoveryDocReference2 );
   Console::WriteLine( "The number of elements in the collection after adding two elements to the collection: {0}", myDiscoveryReferenceCollection->Count );
   
   // Call the Contains method.
   if ( myDiscoveryReferenceCollection->Contains( myDiscoveryDocReference1 ) != true )
   {
      throw gcnew Exception( "Element not found in collection." );
   }
   
   // Access the indexed member.
   myDiscoveryReference = dynamic_cast<DiscoveryReference^>(myDiscoveryReferenceCollection[ 0 ]);
   if ( myDiscoveryReference == nullptr )
   {
      throw gcnew Exception( "Element not found in collection." );
   }
   
   // Remove one element from collection.
   myDiscoveryReferenceCollection->Remove( myDiscoveryDocReference1 );
   Console::WriteLine( "The number of elements in the collection after removing one element is: {0}", myDiscoveryReferenceCollection->Count );
}

class MyDiscoveryDocumentClass
{
    public static void main(String[] args) throws Exception 
    {
        DiscoveryDocumentReference myDiscoveryDocReference1 = 
            new DiscoveryDocumentReference();
        DiscoveryDocumentReference myDiscoveryDocReference2 = 
            new DiscoveryDocumentReference();
        DiscoveryReference myDiscoveryReference;
        Console.WriteLine("Demonstrating DiscoveryReferenceCollection class.");

        // Create new DiscoveryReferenceCollection.
        DiscoveryReferenceCollection myDiscoveryReferenceCollection = 
            new DiscoveryReferenceCollection();

        // Access the Count method.
        Console.WriteLine("The number of elements in the collection is: " 
            + ((Int32)myDiscoveryReferenceCollection.get_Count()).ToString());

        // Add elements to the collection.
        myDiscoveryReferenceCollection.Add(myDiscoveryDocReference1);
        myDiscoveryReferenceCollection.Add(myDiscoveryDocReference2);
        Console.WriteLine("The number of elements in the collection "
            + "after adding two elements to the collection: "
            + ((Int32)myDiscoveryReferenceCollection.get_Count()).ToString());

        // Call the Contains method.
        if (myDiscoveryReferenceCollection.
            Contains(myDiscoveryDocReference1) != true) {
            throw new Exception("Element not found in collection.");
        }

        // Access the indexed member.
        myDiscoveryReference = (DiscoveryReference)
            myDiscoveryReferenceCollection.get_Item(0);
        if (myDiscoveryReference == null) {
            throw new Exception("Element not found in collection.");
        }

        // Remove one element from collection.
        myDiscoveryReferenceCollection.Remove(myDiscoveryDocReference1);
        Console.WriteLine("The number of elements in the collection " 
            + "after removing one element is: " 
            + ((Int32)myDiscoveryReferenceCollection.get_Count()).ToString());
    } //main

Plattformen

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

.NET Framework unterstützt nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen.

Versionsinformationen

.NET Framework

Unterstützt in: 2.0, 1.1, 1.0

Siehe auch

Referenz

DiscoveryReferenceCollection-Klasse
DiscoveryReferenceCollection-Member
System.Web.Services.Discovery-Namespace