EmptyEnumerator Class
Acts as a placeholder when enumeration is called on an empty collection. This class cannot be inherited.
Inheritance Hierarchy
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
The EmptyEnumerator type exposes the following members.
Constructors
| Name | Description | |
|---|---|---|
.gif "Public method") |
EmptyEnumerator | Initializes a new instance of the EmptyEnumerator class. |
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Properties
| Name | Description | |
|---|---|---|
.gif "Public property") |
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. 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 | (Inherited from Object.) |
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Remarks
The empty enumerator is returned by the runtime when there are no elements in the collection to enumerate over.
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.