EmptyEnumerator-Klasse
Acts as a placeholder when enumeration is called on an empty collection. This class cannot be inherited.
Vererbungshierarchie
System. . :: . .Object
Microsoft.SqlServer.Dts.Runtime.Enumerators.ADO..::..EmptyEnumerator
Namespace: Microsoft.SqlServer.Dts.Runtime.Enumerators.ADO
Assembly: Microsoft.SqlServer.ForEachADOEnumerator (in Microsoft.SqlServer.ForEachADOEnumerator.dll)
Syntax
'Declaration
Public NotInheritable Class EmptyEnumerator _
Implements IEnumerator
'Usage
Dim instance As EmptyEnumerator
public sealed class EmptyEnumerator : IEnumerator
public ref class EmptyEnumerator sealed : IEnumerator
[<SealedAttribute>]
type EmptyEnumerator =
class
interface IEnumerator
end
public final class EmptyEnumerator implements IEnumerator
Der EmptyEnumerator-Typ macht folgende Elemente verfügbar.
Konstruktoren
| Name | Beschreibung | |
|---|---|---|
![]() |
EmptyEnumerator | Initializes a new instance of the EmptyEnumerator class. |
Zum Anfang
Methoden
| Name | Beschreibung | |
|---|---|---|
![]() |
Equals | (Geerbt von Object.) |
![]() |
Finalize | (Geerbt von Object.) |
![]() |
GetHashCode | (Geerbt von Object.) |
![]() |
GetType | (Geerbt von Object.) |
![]() |
MemberwiseClone | (Geerbt von Object.) |
![]() |
MoveNext | Advances the enumerator to the next element of the collection. The EmptyEnumerator always returns false for this method. |
![]() |
Reset | Sets the enumerator to its initial position, which is before the first element in the collection. |
![]() |
ToString | (Geerbt von Object.) |
Zum Anfang
Hinweise
The empty enumerator is returned by the runtime when there are no elements in the collection to enumerate over.
Threadsicherheit
Alle öffentlichen static (Shared in Visual Basic)-Elemente dieses Typs sind Threadsicher. Für Instanzelemente wird die Threadsicherheit nicht gewährleistet.
.gif)
.gif)
.gif)