EmptyEnumerator Class

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.

命名空間: Microsoft.SqlServer.Dts.Runtime.Enumerators.SMO
組件: Microsoft.SqlServer.ForEachSMOEnumerator (in microsoft.sqlserver.foreachsmoenumerator.dll)

語法

'宣告
Public NotInheritable Class EmptyEnumerator
    Implements IEnumerator

public sealed class EmptyEnumerator : IEnumerator

public ref class EmptyEnumerator sealed : IEnumerator

public final class EmptyEnumerator implements IEnumerator

public final class EmptyEnumerator implements IEnumerator

Inheritance Hierarchy

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

執行緒安全性

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

平台

開發平台

如需受支援的平台清單，請參閱＜安裝 SQL Server 2005 的硬體和軟體需求＞。

目標平台

如需受支援的平台清單，請參閱＜安裝 SQL Server 2005 的硬體和軟體需求＞。

請參閱

參考

EmptyEnumerator Members
Microsoft.SqlServer.Dts.Runtime.Enumerators.SMO Namespace