Método ExtendedProperties.Contains
Returns a Boolean that indicates whether the items in the collection can be accessed using indexing without throwing an exception.
Namespace: Microsoft.SqlServer.Dts.Runtime
Assembly: Microsoft.SqlServer.ManagedDTS (em Microsoft.SqlServer.ManagedDTS.dll)
Sintaxe
'Declaração
Public Function Contains ( _
index As Object _
) As Boolean
'Uso
Dim instance As ExtendedProperties
Dim index As Object
Dim returnValue As Boolean
returnValue = instance.Contains(index)
public bool Contains(
Object index
)
public:
bool Contains(
Object^ index
)
member Contains :
index:Object -> bool
public function Contains(
index : Object
) : boolean
Parâmetros
- index
Tipo: System.Object
The name, identity, ID, or index to locate in the collection.
Valor de retorno
Tipo: System.Boolean
A Boolean that indicates whether the collection can be accessed by name, description, ID, or index. A value of true indicates that the collection can be accessed by using the syntax ExtendedProperties[index]. A value of false indicates that indexing cannot be used to retrieve items from the ExtendedProperties collection; using this property throws an exception.
Exemplos
The following code sample uses Contains method to determine if an extended property with the GUID given is in the collection. The method returns a Boolean.
using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.SqlServer.Dts.Runtime;
namespace ExtendedProperties_Testing
{
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 extended properties collection from the package.
ExtendedProperties myExtProps = pkg.ExtendedProperties;
// Use the ID.
Boolean hasGUID = myExtProps.Contains("{F3B7314E-DB1E-4CCA-A856-2E617A1B3265}");
Console.WriteLine("The extended property contains that GUID? {0}", hasGUID);
Console.WriteLine();
}
}
}
Imports System
Imports System.Collections.Generic
Imports System.Text
Imports Microsoft.SqlServer.Dts.Runtime
Namespace ExtendedProperties_Testing
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 extended properties collection from the package.
Dim myExtProps As ExtendedProperties = pkg.ExtendedProperties
' Use the ID.
Dim hasGUID As Boolean = myExtProps.Contains("{F3B7314E-DB1E-4CCA-A856-2E617A1B3265}")
Console.WriteLine("The extended property contains that GUID? {0}", hasGUID)
Console.WriteLine()
End Sub
End Class
End Namespace
Sample Output:
The extended property contains that GUID? True