EmptyEnumerator 类

Provides an empty enumerator that is returned by the Integration Services runtime when there are no elements in the collection to enumerate over.

继承层次结构

System. . :: . .Object
Microsoft.SqlServer.Dts.Runtime..::..EmptyEnumerator

命名空间： Microsoft.SqlServer.Dts.Runtime
程序集： Microsoft.SqlServer.ManagedDTS（在 Microsoft.SqlServer.ManagedDTS.dll 中）

声明
Public NotInheritable Class EmptyEnumerator _
    Implements IEnumerator
用法
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

EmptyEnumerator 类型公开以下成员。

	名称	说明
	EmptyEnumerator	Initializes a new instance of the EmptyEnumerator class.

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	名称	说明
	Current	Raises an error that indicates an empty enumerator.

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	名称	说明
	Equals	（从 Object 继承。）
	Finalize	（从 Object 继承。）
	GetHashCode	（从 Object 继承。）
	GetType	（从 Object 继承。）
	MemberwiseClone	（从 Object 继承。）
	MoveNext	Advances the enumerator to the next element of the collection. The EmptyEnumerator returns false for this method, because there is no object to move to in the empty collection.
	Reset	Sets the enumerator to its initial position, which is before the first element in the collection.
	ToString	（从 Object 继承。）

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An EmptyEnumerator returns false on the first call to MoveNext, which tells you that the enumerator is at the end of its collection.

此类型的任何公共 static（在 Visual Basic 中为 Shared）成员都是线程安全的。不保证所有实例成员都是线程安全的。