LogProviderInfos.Contains Method

Articolo
12/15/2008

Returns a Boolean that indicates if the items in the collection can be accessed using indexing without throwing an exception.

Spazio dei nomi: Microsoft.SqlServer.Dts.Runtime
Assembly : Microsoft.SqlServer.ManagedDTS (in microsoft.sqlserver.manageddts.dll)

Sintassi

'Dichiarazione
Public Function Contains ( _
    index As Object _
) As Boolean

public bool Contains (
    Object index
)

public:
bool Contains (
    Object^ index
)

public boolean Contains (
    Object index
)

public function Contains (
    index : Object
) : boolean

Parametri

index
The name, identity, ID, or index of the LogProviderInfo object to locate in the collection.

Valore restituito

A Boolean that indicates whether the collection can be accessed by name, identity, ID, or index. A value of true indicates that the collection can be accessed by using the syntax LogProviderInfos[index]. A value of false indicates that indexing cannot be used to retrieve items from the LogProviderInfos collection; using this property throws an exception.

Esempio

The following code sample uses the Contains method to determine if a log provider with the name "SSIS log provider for Text files" is in the collection. The method returns a Boolean.

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

namespace LogProvInfoProperties
{
    class Program
    {
        static void Main(string[] args)
        {
        Application app = new Application();
        LogProviderInfos infos = app.LogProviderInfos;

        //See if the collection contains a log provider
        // with the name "SSIS log provider for Text files".
        Boolean logText = infos.Contains("SSIS log provider for Text files");
        Console.WriteLine("Contains Text log provider? {0}", logText);
        }
    }
}

Imports System
Imports System.Collections.Generic
Imports System.Text
Imports Microsoft.SqlServer.Dts.Runtime
 
Namespace LogProvInfoProperties
    Class Program
        Shared  Sub Main(ByVal args() As String)
        Dim app As Application =  New Application() 
        Dim infos As LogProviderInfos =  app.LogProviderInfos 
 
        'See if the collection contains a log provider
        ' with the name "SSIS log provider for Text files".
        Dim logText As Boolean =  infos.Contains("SSIS log provider for Text files") 
        Console.WriteLine("Contains Text log provider? {0}", logText)
        End Sub
    End Class
End Namespace

Sample Output:

Contains Text log provider? True

Thread Safety

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.

Piattaforme

Piattaforme di sviluppo

Per un elenco delle piattaforme supportate, vedere Requisiti hardware e software per l'Installazione di SQL Server 2005.

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