LogEntryInfos.Contains(Object) Metode

Definisi

Ruang nama:

Microsoft.SqlServer.Dts.Runtime

Rakitan:

Microsoft.SqlServer.ManagedDTS.dll

Menunjukkan apakah item dalam koleksi dapat diakses menggunakan pengindeksan tanpa melemparkan pengecualian.

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

Nama, deskripsi, ID, atau indeks objek yang akan LogEntryInfo ditemukan dalam koleksi.

Mengembalikan

Boolean

Boolean yang menunjukkan apakah koleksi dapat diakses berdasarkan nama, deskripsi, ID, atau indeks. Nilai true menunjukkan bahwa koleksi dapat diakses dengan menggunakan sintaks LogEntryInfos[index]. Nilai false menunjukkan bahwa pengindeksan tidak dapat digunakan untuk mengambil item dari LogEntryInfos koleksi; menggunakan properti ini memberikan pengecualian.

Contoh

Sampel kode berikut menggunakan Contains metode untuk menentukan apakah entri log dengan nama "Diagnostik" ada dalam koleksi. Metode mengembalikan Boolean.

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

namespace LogEntryInfosTest  
{  
    class Program  
    {  
        static void Main(string[] args)  
        {  
            // The package is one of the SSIS Samples.  
            string mySample = @"C:\Program Files\Microsoft SQL Server\100\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 LogEntryInfos from the package.  
            LogEntryInfos logInfos = pkg.LogEntryInfos;  

            //See if the collection contains a LogEntryInfo named "Diagnostic".  
            Boolean logDiagnostic = logInfos.Contains("Diagnostic");  
            Console.WriteLine("Contains Diagnostic? {0}", logDiagnostic);  

            Console.WriteLine();  
        }  
    }  
}  

Imports System  
Imports System.Collections.Generic  
Imports System.Text  
Imports Microsoft.SqlServer.Dts.Runtime  

Namespace LogEnTryInfosTest  
    Class Program  
        Shared  Sub Main(ByVal args() As String)  
            ' The package is one of the SSIS Samples.  
            Dim mySample As String =  "C:\Program Files\Microsoft SQL Server\100\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 LogEntryInfos from the package.  
            Dim logInfos As LogEnTryInfos =  pkg.LogEnTryInfos   

            'See if the collection contains a LogEntryInfo named "Diagnostic".  
            Dim logDiagnostic As Boolean =  logInfos.Contains("Diagnostic")   
            Console.WriteLine("Contains Diagnostic? {0}", logDiagnostic)  

            Console.WriteLine()  
        End Sub  
    End Class  
End Namespace  

Contoh Output:

Berisi Diagnostik? True