DiscoveryReferenceCollection.Contains(DiscoveryReference) Methode

Definition

Namespace:

System.Web.Services.Discovery

Assembly:

System.Web.Services.dll

Ermittelt, ob die DiscoveryReferenceCollection einen bestimmten DiscoveryReference enthält.

public:
 bool Contains(System::Web::Services::Discovery::DiscoveryReference ^ value);

public bool Contains (System.Web.Services.Discovery.DiscoveryReference value);

member this.Contains : System.Web.Services.Discovery.DiscoveryReference -> bool

Public Function Contains (value As DiscoveryReference) As Boolean

Parameter

value

DiscoveryReference

Der DiscoveryReference, der in der DiscoveryReferenceCollection gesucht werden soll.

Gibt zurück

Boolean

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

Beispiele

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
{
   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());
   }

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 occurred : " + e.Message)
   End Try
   End Sub

End Class