Executables.Contains(Object) Metode

Definisi

Ruang nama:

Microsoft.SqlServer.Dts.Runtime

Rakitan:

Microsoft.SqlServer.ManagedDTS.dll

Menunjukkan apakah item dalam koleksi dapat diakses menggunakan indeks sebagai parameter .

public:
 bool Contains(System::Object ^ index);

public bool Contains (object index);

member this.Contains : obj -> bool

Public Function Contains (index As Object) As Boolean

Parameter

index

Object

Indeks Executable objek .

Mengembalikan

Boolean

true jika Anda dapat mengambil item menggunakan sintaks Executables[index]; false jika pengindeksan tidak dapat digunakan untuk mengambil item dari Executables koleksi.

Contoh

Contoh kode berikut menambahkan tugas Sisipkan Massal sebagai yang dapat dieksekusi, lalu menggunakan Contains untuk memverifikasi keberadaan setidaknya satu yang dapat dieksekusi dalam paket.

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  

Contoh Output:

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