EmptyEnumerator Class

Article
04/26/2013

Acts as a placeholder when enumeration is called on an empty collection. The runtime returns the empty enumerator when there are no elements in the collection to enumerate over. This class cannot be inherited.

Inheritance Hierarchy

System.Object
Microsoft.SqlServer.Dts.Runtime.Enumerators.SMO.EmptyEnumerator

Namespace: Microsoft.SqlServer.Dts.Runtime.Enumerators.SMO
Assembly: Microsoft.SqlServer.ForEachSMOEnumerator (in Microsoft.SqlServer.ForEachSMOEnumerator.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

The EmptyEnumerator type exposes the following members.

Constructors

	Name	Description
	EmptyEnumerator	Initializes a new instance of the EmptyEnumerator class.

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Properties

	Name	Description
	Current	Raises an error indicating an empty enumerator.

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Methods

	Name	Description
	Equals	(Inherited from Object.)
	GetHashCode	(Inherited from Object.)
	GetType	(Inherited from Object.)
	MoveNext	Advances the enumerator to the next element of the collection. Returns false if there is no object to move to.
	Reset	Sets the enumerator to its initial position, which is before the first element in the collection.
	ToString	(Inherited from Object.)

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Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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