TaskInfos.Contains Method

Artikkeli
12/03/2008

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 (in microsoft.sqlserver.manageddts.dll)

Syntax

'Declaration
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

Parameters

index
The name, ID, or index of the TaskInfo to locate in the collection.

Return Value

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

Example

The following code sample uses Contains method to determine if a task with the name "Data Flow Task" is in the collection. The method returns a Boolean.

[C#]

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

namespace TaskInfos_Item
{
    class Program
    {
        static void Main(string[] args)
        {
            Application app = new Application();
            TaskInfos tInfos = app.TaskInfos;

            if (tInfos.Contains("Data Flow Task"))
            Console.WriteLine("The application contains the Data Flow Task");
        }
    }
}

Imports System
Imports System.Collections.Generic
Imports System.Text
Imports Microsoft.SqlServer.Dts.Runtime
 
Namespace TaskInfos_Item
    Class Program
        Shared  Sub Main(ByVal args() As String)
            Dim app As Application =  New Application() 
            Dim tInfos As TaskInfos =  app.TaskInfos 
 
            If tInfos.Contains("Data Flow Task") Then
            Console.WriteLine("The application contains the Data Flow Task")
            End If
        End Sub
    End Class
End Namespace

Sample Output:

The application contains the Data Flow Task

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.

Platforms

Development Platforms

For a list of the supported platforms, see Hardware and Software Requirements for Installing SQL Server 2005.

Target Platforms