ImportCollection.Contains-Methode

Gibt einen Wert zurück, der angibt, ob der angegebene Import ein Member der ImportCollection ist.

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

Syntax

'Declaration
Public Function Contains ( _
    import As Import _
) As Boolean
'Usage
Dim instance As ImportCollection
Dim import As Import
Dim returnValue As Boolean

returnValue = instance.Contains(import)

public bool Contains (
    Import import
)

public:
bool Contains (
    Import^ import
)

public boolean Contains (
    Import import
)

public function Contains (
    import : Import
) : boolean

Parameter

• import
  Der Import, für den überprüft werden soll, ob er Member der Auflistung ist.

Rückgabewert

true, wenn der import-Parameter ein Member der ImportCollection ist, andernfalls false.

Beispiel

Das folgende Beispiel veranschaulicht die Verwendung der Contains-Methode.

' Get Import by Index.
Dim myImport As Import = _
      myServiceDescription.Imports(myServiceDescription.Imports.Count - 1)
Console.WriteLine("Import by Index...")
If myImportCollection.Contains(myImport) Then
   Console.WriteLine("Import Namespace '" + myImport.Namespace + _
                     "' is found in 'ImportCollection'.")
   Console.WriteLine("Index of '" + myImport.Namespace + _
                     "' in 'ImportCollection' = " + _
                     myImportCollection.IndexOf(myImport).ToString())
   Console.WriteLine("Delete Import from 'ImportCollection'...")
   myImportCollection.Remove(myImport)
   If myImportCollection.IndexOf(myImport) = - 1 Then
      Console.WriteLine("Import is successfully removed from Import Collection.")
   End If

// Get Import by Index.
Import myImport = myServiceDescription.Imports[myServiceDescription.Imports.Count-1];
Console.WriteLine("Import by Index...");
if (myImportCollection.Contains(myImport))
{
   Console.WriteLine("Import Namespace '"
            + myImport.Namespace + "' is found in 'ImportCollection'.");
   Console.WriteLine("Index of '" + myImport.Namespace + "' in 'ImportCollection' = "
                                             + myImportCollection.IndexOf(myImport));
   Console.WriteLine("Deleting Import from 'ImportCollection'...");
   myImportCollection.Remove(myImport);
   if(myImportCollection.IndexOf(myImport) == -1)
      Console.WriteLine("Import is successfully removed from Import Collection.");
}

// Get Import by Index.
Import^ myImport = myServiceDescription->Imports[ myServiceDescription->Imports->Count - 1 ];
Console::WriteLine( "Import by Index..." );
if ( myImportCollection->Contains( myImport ) )
{
   Console::WriteLine( "Import Namespace ' {0} ' is found in 'ImportCollection'.", myImport->Namespace );
   Console::WriteLine( "Index of '{0}' in 'ImportCollection' = {1}",
      myImport->Namespace, myImportCollection->IndexOf( myImport ) );
   Console::WriteLine( "Deleting Import from 'ImportCollection'..." );
   myImportCollection->Remove( myImport );
   if ( myImportCollection->IndexOf( myImport ) == -1 )
         Console::WriteLine( "Import is successfully removed from Import Collection." );
}

// Get Import by Index.
Import myImport = myServiceDescription.get_Imports().
    get_Item(myServiceDescription.get_Imports().get_Count() - 1);

Console.WriteLine("Import by Index...");
if (myImportCollection.Contains(myImport)) {
    Console.WriteLine("Import Namespace '" + myImport.get_Namespace() 
        + "' is found in 'ImportCollection'.");
    Console.WriteLine("Index of '" + myImport.get_Namespace() 
        + "' in 'ImportCollection' = " 
        + myImportCollection.IndexOf(myImport));
    Console.WriteLine("Deleting Import from 'ImportCollection'...");
    myImportCollection.Remove(myImport);
    if (myImportCollection.IndexOf(myImport) == -1) {
        Console.WriteLine(
            "Import is successfully removed from Import Collection.");
    }
}

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

ImportCollection-Klasse
ImportCollection-Member
System.Web.Services.Description-Namespace