DiscoveryReferenceCollection.Contains(DiscoveryReference) Metoda
Definicja
Ważne
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Określa, czy element DiscoveryReferenceCollection zawiera określony DiscoveryReferenceelement .
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
Parametry
- value
- DiscoveryReference
Element DiscoveryReference do zlokalizowania DiscoveryReferenceCollectionw obiekcie .
Zwraca
true
jeśli element DiscoveryReferenceCollection zawiera wartość DiscoveryReference; w przeciwnym razie false
.
Przykłady
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