Compartir a través de


Executables.Contains(Object) Método

Definición

Indica si se puede tener acceso a los elementos de la colección utilizando el índice como parámetro.

public:
 bool Contains(System::Object ^ index);
public bool Contains (object index);
member this.Contains : obj -> bool
Public Function Contains (index As Object) As Boolean

Parámetros

index
Object

El índice del objeto Executable.

Devoluciones

true si puede recuperar un elemento mediante la sintaxis Ejecutables[index]; false si no se puede usar la indexación para recuperar elementos de la Executables colección.

Ejemplos

En el ejemplo de código siguiente se agrega la tarea Inserción masiva como ejecutable y, a continuación, se usa Contains para comprobar la existencia de al menos un ejecutable en el paquete.

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

namespace Executables_API  
{  
        class Program  
        {  
        static void Main(string[] args)  
        {  
            Package pkg = new Package();  
            Executable exec = pkg.Executables.Add("STOCK:BulkInsertTask");  

            // Obtain the collection.  
            Executables pgkExecs = pkg.Executables;  
            foreach (Executable eachExec in pgkExecs)  
            {  
                TaskHost th = exec as TaskHost;  
                Console.WriteLine("Executable creation name is: {0}", th.CreationName);  
            }  

            // Show use of Contains.  
            if (pgkExecs.Contains(0))  
            {  
                Console.WriteLine("Contains returned true");  
            }  
            else  
            {  
                Console.WriteLine("Contains returned false");  
            }  
        }  
    }  
}  
Imports System  
Imports System.Collections.Generic  
Imports System.Text  
Imports Microsoft.SqlServer.Dts.Runtime  

Namespace Executables_API  
        Class Program  
        Shared  Sub Main(ByVal args() As String)  
            Dim pkg As Package =  New Package()   
            Dim exec As Executable =  pkg.Executables.Add("STOCK:BulkInsertTask")   

            ' Obtain the collection.  
            Dim pgkExecs As Executables =  pkg.Executables   
            Dim eachExec As Executable  
            For Each eachExec In pgkExecs  
                Dim th As TaskHost =  exec as TaskHost   
                Console.WriteLine("Executable creation name is: {0}", th.CreationName)  
            Next  

            ' Show use of Contains.  
            If pgkExecs.Contains(0) Then  
                Console.WriteLine("Contains returned true")  
            Else   
                Console.WriteLine("Contains returned false")  
            End If  
        End Sub  
        End Class  
End Namespace  

Salida del ejemplo:

Executable creation name is: Microsoft.SqlServer.Dts.Tasks.BulkInsertTask.BulkInsertTask, Microsoft.SqlServer.BulkInsertTask, Version=10.0.000.0, Culture=neutral, PublicKeyToken=89845dcd8080cc91

Contains returned true

Se aplica a