ConfigurationSectionCollection.Item[] 属性

定义

命名空间:

System.Configuration

程序集:

System.Configuration.ConfigurationManager.dll

包:

System.Configuration.ConfigurationManager v8.0.0

获取指定的 ConfigurationSection 对象。

重载

Item[Int32]	获取指定的 ConfigurationSection 对象。
Item[String]	获取指定的 ConfigurationSection 对象。

Item[Int32]

Source:

ConfigurationSectionCollection.cs

获取指定的 ConfigurationSection 对象。

public:
 property System::Configuration::ConfigurationSection ^ default[int] { System::Configuration::ConfigurationSection ^ get(int index); };

public System.Configuration.ConfigurationSection this[int index] { get; }

member this.Item(int) : System.Configuration.ConfigurationSection

Default Public ReadOnly Property Item(index As Integer) As ConfigurationSection

参数

index

Int32

要返回的 ConfigurationSection 对象的索引。

属性值

ConfigurationSection

指定索引处的 ConfigurationSection 对象。

示例

下面的代码示例说明如何使用 Item[]。

static void GetItems()
{

    try
    {
        System.Configuration.Configuration config =
        ConfigurationManager.OpenExeConfiguration(
        ConfigurationUserLevel.None);

        ConfigurationSectionCollection sections =
            config.Sections;

        ConfigurationSection section1 =
            sections["runtime"];

        ConfigurationSection section2 =
            sections[0];

        Console.WriteLine(
             "Section1: {0}", section1.SectionInformation.Name);

        Console.WriteLine(
            "Section2: {0}", section2.SectionInformation.Name);
    }
    catch (ConfigurationErrorsException err)
    {
        Console.WriteLine(err.ToString());
    }
}

Shared Sub GetItems()

    Try
        Dim config _
        As System.Configuration.Configuration = _
        ConfigurationManager.OpenExeConfiguration( _
        ConfigurationUserLevel.None)

        Dim sections _
        As ConfigurationSectionCollection = _
        config.Sections


        Dim section1 As ConfigurationSection = _
        sections.Item("runtime")

        Dim section2 As ConfigurationSection = _
        sections.Item(0)

        Console.WriteLine("Section1: {0}", _
        section1.SectionInformation.Name)

        Console.WriteLine("Section2: {0}", _
        section2.SectionInformation.Name)

    Catch err As ConfigurationErrorsException
        Console.WriteLine(err.ToString())
    End Try
End Sub

注解

此属性获取 对象的指定条目 ConfigurationSectionCollection 。

在 C# 中，此属性是 ConfigurationSectionCollection 类的索引器。

另请参阅

• Configuration
• ConfigurationSectionGroup
• ConfigurationSection

Item[String]

Source:

ConfigurationSectionCollection.cs

获取指定的 ConfigurationSection 对象。

public:
 property System::Configuration::ConfigurationSection ^ default[System::String ^] { System::Configuration::ConfigurationSection ^ get(System::String ^ name); };

public System.Configuration.ConfigurationSection this[string name] { get; }

member this.Item(string) : System.Configuration.ConfigurationSection

Default Public ReadOnly Property Item(name As String) As ConfigurationSection

参数

name

String

要返回的 ConfigurationSection 对象名称。

属性值

ConfigurationSection

具有指定名称的 ConfigurationSection 对象。

示例

下面的代码示例说明如何使用 Item[]。

static void GetItems()
{

    try
    {
        System.Configuration.Configuration config =
        ConfigurationManager.OpenExeConfiguration(
        ConfigurationUserLevel.None);

        ConfigurationSectionCollection sections =
            config.Sections;

        ConfigurationSection section1 =
            sections["runtime"];

        ConfigurationSection section2 =
            sections[0];

        Console.WriteLine(
             "Section1: {0}", section1.SectionInformation.Name);

        Console.WriteLine(
            "Section2: {0}", section2.SectionInformation.Name);
    }
    catch (ConfigurationErrorsException err)
    {
        Console.WriteLine(err.ToString());
    }
}

Shared Sub GetItems()

    Try
        Dim config _
        As System.Configuration.Configuration = _
        ConfigurationManager.OpenExeConfiguration( _
        ConfigurationUserLevel.None)

        Dim sections _
        As ConfigurationSectionCollection = _
        config.Sections


        Dim section1 As ConfigurationSection = _
        sections.Item("runtime")

        Dim section2 As ConfigurationSection = _
        sections.Item(0)

        Console.WriteLine("Section1: {0}", _
        section1.SectionInformation.Name)

        Console.WriteLine("Section2: {0}", _
        section2.SectionInformation.Name)

    Catch err As ConfigurationErrorsException
        Console.WriteLine(err.ToString())
    End Try
End Sub

注解

此属性获取 对象的指定条目 ConfigurationSectionCollection 。

在 C# 中，此属性是 ConfigurationSectionCollection 类的索引器。

另请参阅

• Configuration
• ConfigurationSectionGroup
• ConfigurationSection