DiscoveryReferenceCollection.Contains(DiscoveryReference) 方法

定義

命名空間:

System.Web.Services.Discovery

組件:

System.Web.Services.dll

判斷 DiscoveryReferenceCollection 是否包含特定 DiscoveryReference。

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

參數

value

DiscoveryReference

在 DiscoveryReference 中要找出的 DiscoveryReferenceCollection。

傳回

Boolean

如果 DiscoveryReferenceCollection 包含 DiscoveryReference，則為 true，否則為 false。

範例

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