NegotiateStream.CanSeek Eigenschaft

Definition

Ruft einen Boolean-Wert ab, der angibt, ob der zugrunde liegende Stream durchsucht werden kann.Gets a Boolean value that indicates whether the underlying stream is seekable.

public:
 virtual property bool CanSeek { bool get(); };
public override bool CanSeek { get; }
member this.CanSeek : bool
Public Overrides ReadOnly Property CanSeek As Boolean

Eigenschaftswert

Diese Eigenschaft gibt immer false zurück.This property always returns false.

Beispiele

Im folgenden Codebeispiel wird veranschaulicht, wie der Wert dieser Eigenschaft angezeigt wird.The following code example demonstrates displaying the value of this property.

static void DisplayStreamProperties( NegotiateStream^ stream )
{
   Console::WriteLine( L"Can read: {0}", stream->CanRead );
   Console::WriteLine( L"Can write: {0}", stream->CanWrite );
   Console::WriteLine( L"Can seek: {0}", stream->CanSeek );
   try
   {
      
      // If the underlying stream supports it, display the length.
      Console::WriteLine( L"Length: {0}", stream->Length );
   }
   catch ( NotSupportedException^ ) 
   {
      Console::WriteLine( L"Cannot get the length of the underlying stream." );
   }

   if ( stream->CanTimeout )
   {
      Console::WriteLine( L"Read time-out: {0}", stream->ReadTimeout );
      Console::WriteLine( L"Write time-out: {0}", stream->WriteTimeout );
   }
}


 static void DisplayStreamProperties(NegotiateStream stream)
{
     Console.WriteLine("Can read: {0}", stream.CanRead);
     Console.WriteLine("Can write: {0}", stream.CanWrite);
     Console.WriteLine("Can seek: {0}", stream.CanSeek);
     try 
     {
         // If the underlying stream supports it, display the length.
         Console.WriteLine("Length: {0}", stream.Length);
     } catch (NotSupportedException)
     {
             Console.WriteLine("Cannot get the length of the underlying stream.");
     }
     
     if (stream.CanTimeout)
     {
         Console.WriteLine("Read time-out: {0}", stream.ReadTimeout);
         Console.WriteLine("Write time-out: {0}", stream.WriteTimeout);
     }
}

Hinweise

Sie sollten nicht versuchen, die Position des NegotiateStream Objekts oder des zugrunde liegenden Streams festzulegen.You should not attempt to set the position of the NegotiateStream object or its underlying stream. Der zugrunde liegende Stream wird angegeben, wenn Sie eine Instanz der NegotiateStream-Klasse erstellen.The underlying stream is specified when you create an instance of the NegotiateStream class.

Gilt für:

Siehe auch