DTSReadOnlyCollectionBase.GetEnumerator Method

Article
12/15/2008

Returns an enumerator that can iterate through the DTSReadOnlyCollectionBase instance.

Espace de noms: Microsoft.SqlServer.Dts.Runtime
Assembly: Microsoft.SqlServer.ManagedDTS (in microsoft.sqlserver.manageddts.dll)

Syntaxe

'Déclaration
Public Function GetEnumerator As IEnumerator

public IEnumerator GetEnumerator ()

public:
virtual IEnumerator^ GetEnumerator () sealed

public final IEnumerator GetEnumerator ()

public final function GetEnumerator () : IEnumerator

Valeur de retour

Returns an IEnumerator for the DTSReadOnlyCollectionBase instance.

Exemple

The following code example uses the LogProviders class to demonstrate the use of GetEnumerator. The LogProviders collection inherits from DTSReadOnlyCollectionBase, and overrides the GetEnumerator to provide an appropriate enumerator for its collection.

using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.SqlServer.Dts.Runtime;

namespace LogProviderInfos_testing
{
    class Program
    {
        static void Main(string[] args)
        {
            // The package is one of the SSIS Samples. The package
            // was modified in the designer to log to the SSIS log
             // provider for Text files before being loaded
            // for this code example.
            string mySample = @"C:\Program Files\Microsoft SQL Server\90\Samples\Integration Services\Package Samples\CalculatedColumns Sample\CalculatedColumns\CalculatedColumns.dtsx";
            // Create the Application, and load the sample.
            Application app = new Application();
            Package pkg = app.LoadPackage(mySample, null);

            // Get the LogProviders collection from the package.
            LogProviders logProvs = pkg.LogProviders;
            
            //Create the Enumerator.
            LogProviderEnumerator myEnumerator = logProvs.GetEnumerator();
             Console.WriteLine("The collection contains the following values:");
            int i = 0;
            while ((myEnumerator.MoveNext()) && (myEnumerator.Current != null))
                Console.WriteLine("[{0}] {1}", i++, myEnumerator.Current.Name);
        }
    }
}

Imports System
Imports System.Collections.Generic
Imports System.Text
Imports Microsoft.SqlServer.Dts.Runtime
 
Namespace LogProviderInfos_testing
    Class Program
        Shared  Sub Main(ByVal args() As String)
            ' The package is one of the SSIS Samples. The package
            ' was modified in the designer to log to the SSIS log
             ' provider for Text files before being loaded
            ' for this code example.
            Dim mySample As String =  "C:\Program Files\Microsoft SQL Server\90\Samples\Integration Services\Package Samples\CalculatedColumns Sample\CalculatedColumns\CalculatedColumns.dtsx" 
            ' Create the Application, and load the sample.
            Dim app As Application =  New Application() 
            Dim pkg As Package =  app.LoadPackage(mySample,Nothing) 
 
            ' Get the LogProviders collection from the package.
            Dim logProvs As LogProviders =  pkg.LogProviders 
 
            'Create the Enumerator.
            Dim myEnumerator As LogProviderEnumerator =  logProvs.GetEnumerator() 
             Console.WriteLine("The collection contains the following values:")
            Dim i As Integer =  0 
            While (myEnumerator.MoveNext()) &&(myEnumerator.Current <> Nothing)
            Console.WriteLine("[{0}] {1}",i = Console.WriteLine("[{0}] {1}",i + 1
            End While
        End Sub
    End Class
End Namespace

Sample Output:

The collection contains the following values:

[0] SSIS log provider for Text files

Sécurité des threads

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.

Plateformes

Plateformes de développement

Pour obtenir la liste des plateformes prises en charge, consultez Configuration matérielle et logicielle requise pour l'installation de SQL Server 2005.

Plateformes cibles

Pour obtenir la liste des plateformes prises en charge, consultez Configuration matérielle et logicielle requise pour l'installation de SQL Server 2005.

Voir aussi

Référence

DTSReadOnlyCollectionBase Class
DTSReadOnlyCollectionBase Members
Microsoft.SqlServer.Dts.Runtime Namespace

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