DtsProperties.Item[Object] 属性

定义

命名空间:

Microsoft.SqlServer.Dts.Runtime

程序集:

Microsoft.SqlServer.ManagedDTS.dll

从集合返回一个 DtsProperty 对象。

public:
 property Microsoft::SqlServer::Dts::Runtime::DtsProperty ^ default[System::Object ^] { Microsoft::SqlServer::Dts::Runtime::DtsProperty ^ get(System::Object ^ index); };

public Microsoft.SqlServer.Dts.Runtime.DtsProperty this[object index] { get; }

member this.Item(obj) : Microsoft.SqlServer.Dts.Runtime.DtsProperty

Default Public ReadOnly Property Item(index As Object) As DtsProperty

参数

index

Object

要返回的 DtsProperty 对象的名称、索引或标识。

属性值

DtsProperty

DtsProperty 对象。

示例

下面的代码示例使用 DtsProperties[x] 语法从集合中检索项，以检索集合中第五个对象的名称。

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

namespace DtsProperties_API  
{  
    class Program  
    {  
        static void Main(string[] args)  
        {  
            Package pkg = new Package();  

            // Get the Properties collection from the package.  
            // This shows the default properties set on new packages.  
            DtsProperties pkgProperties = pkg.Properties;  

           // Create the enumerator.  
            PropertyEnumerator myEnumerator = pkgProperties.GetEnumerator();  

            // Show the use of the Contains method.  
            Boolean containsCertObj = pkgProperties.Contains("CertificateObject");  
            Console.WriteLine("Contains CertificateObject? {0}", containsCertObj);  

            // Show the use of the item[x] syntax.  
            String aName = pkgProperties[5].Name;  
            Console.WriteLine("Property 5 is {0}", aName);  

            // Show the use of the MoveNext and Current methods.  
            int i = 0;  
            while ((myEnumerator.MoveNext()) && (myEnumerator.Current != null))  
            {  
                Console.WriteLine("[{0}] {1}", i++, myEnumerator.Current.Name);  
            }  
        }  
    }  
}  

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

Namespace DtsProperties_API  
    Class Program  
        Shared  Sub Main(ByVal args() As String)  
            Dim pkg As Package =  New Package()   

            ' Get the Properties collection from the package.  
            ' This shows the default properties set on new packages.  
            Dim pkgProperties As DtsProperties =  pkg.Properties   

           ' Create the enumerator.  
            Dim myEnumerator As PropertyEnumerator =  pkgProperties.GetEnumerator()   

            ' Show the use of the Contains method.  
            Dim containsCertObj As Boolean =  pkgProperties.Contains("CertificateObject")   
            Console.WriteLine("Contains CertificateObject? {0}", containsCertObj)  

            ' Show the use of the item[x] syntax.  
            Dim aName As String =  pkgProperties(5).Name   
            Console.WriteLine("Property 5 is {0}", aName)  

            ' Show the use of the MoveNext and Current methods.  
            Dim i As Integer =  0   
            While (myEnumerator.MoveNext()) &&(myEnumerator.Current <> Nothing)  
                Console.WriteLine("[{0}] {1}",i = Console.WriteLine("[{0}] {1}",i + 1  
            End While  
        End Sub  
    End Class  
End Namespace  

示例输出：

包含 CertificateObject？ True

属性 5 是配置

[0] CertificateContext

[1] CertificateObject

[2] CheckpointFileName

[3] CheckpointUsage

[4] CheckSignatureOnLoad

[5] 配置

[6] 连接

[7] CreationDate

[8] CreationName

[9] CreatorComputerName

[10] CreatorName

[11] DelayValidation

. . .

[63] VersionGUID

[64] VersionMajor

[65] VersionMinor

[66] 警告

注解

如果调用 Contains 方法返回 true，则可以使用语法 DtsProperties[index]访问集合中的指定元素。 如果 Contains 方法返回 false，此属性将引发异常。 在 C# 中，此属性是 DtsProperties 类的索引器。