ConnectionInfos.Contains(Object) 方法
定義
重要
部分資訊涉及發行前產品，在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊，不做任何明確或隱含的瑕疵擔保。
傳回布林值，指出是否 ConnectionInfo ConnectionInfos 可以使用名稱、索引、識別碼或識別參數做為索引來存取集合中的專案。
public:
bool Contains(System::Object ^ index);public bool Contains (object index);member this.Contains : obj -> boolPublic Function Contains (index As Object) As Boolean參數
- index
- Object
集合中所要符合之物件的名稱、索引、識別碼或識別。
傳回
true 表示您可以使用語法 ConnectionInfos [index]; 來抓取專案。false 表示無法使用索引來從集合中取出專案 ConnectionInfos 。
範例
下列範例會示範如何搜尋連接「適用于檔案的 DTS 連線管理員」的集合。 搜尋中使用的名稱是在屬性中傳回的名稱 Name 。
using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.SqlServer.Dts.Runtime;
namespace ConnInfosTest
{
class Program
{
static void Main(string[] args)
{
Application dtsApplication = new Application();
ConnectionInfos connectionInfos = dtsApplication.ConnectionInfos;
// Search for the File connection in the collection
if (connectionInfos.Contains("DTS Connection Manager for Files"))
Console.WriteLine("The collection contains the FILE connection");
else
Console.WriteLine("The collection does not contain the FILE connection");
Console.WriteLine();
}
}
}
Imports System
Imports System.Collections.Generic
Imports System.Text
Imports Microsoft.SqlServer.Dts.Runtime
Namespace ConnInfosTest
Class Program
Shared Sub Main(ByVal args() As String)
Dim dtsApplication As Application = New Application()
Dim connectionInfos As ConnectionInfos = dtsApplication.ConnectionInfos
' Search for the File connection in the collection
If connectionInfos.Contains("DTS Connection Manager for Files") Then
Console.WriteLine("The collection contains the FILE connection")
Else
Console.WriteLine("The collection does not contain the FILE connection")
End If
Console.WriteLine()
End Sub
End Class
End Namespace
範例輸出：
The collection contains the FILE connection