ElementInformation.IsCollection 属性

定义

命名空间:

System.Configuration

程序集:

System.Configuration.ConfigurationManager.dll

包:

System.Configuration.ConfigurationManager v8.0.0

Source:

ElementInformation.cs

获取一个值，该值指示关联的 ConfigurationElement 对象是否是 ConfigurationElementCollection 集合。

public:
 property bool IsCollection { bool get(); };

public bool IsCollection { get; }

member this.IsCollection : bool

Public ReadOnly Property IsCollection As Boolean

属性值

Boolean

如果关联的 ConfigurationElement 对象是 ConfigurationElementCollection 集合，则为 true；否则为 false。

示例

下面的示例演示如何使用 IsCollection 属性。

static public void IsElementCollection()
{
    
    // Get the current configuration file.
    System.Configuration.Configuration config =
            ConfigurationManager.OpenExeConfiguration(
            ConfigurationUserLevel.None);
    
    // Get the section.
    UrlsSection section =
        (UrlsSection)config.GetSection("MyUrls");

    // Get the element.
    UrlConfigElement url = section.Simple;

    // Get the collection element.
    UrlsCollection urls = section.Urls;

    bool isCollection =
        url.ElementInformation.IsCollection;
    Console.WriteLine("Url element is a collection? {0}",
        isCollection.ToString());

    isCollection =
       urls.ElementInformation.IsCollection;
    Console.WriteLine("Urls element is a collection? {0}",
        isCollection.ToString());
}

Public Shared Sub IsElementCollection() 
    
    ' Get the current configuration file.
    Dim config _
    As System.Configuration.Configuration = _
    ConfigurationManager.OpenExeConfiguration( _
    ConfigurationUserLevel.None)

    ' Get the section.
    Dim section As UrlsSection = _
    CType(config.GetSection("MyUrls"), _
    UrlsSection)
    
    ' Get the element.
    Dim url As UrlConfigElement = section.Simple
    
    ' Get the collection element.
    Dim urls As UrlsCollection = section.Urls
    
    Dim isCollection As Boolean = _
    url.ElementInformation.IsCollection
    Console.WriteLine("Url element is a collection? {0}", _
    isCollection.ToString())
    
    isCollection = _
    urls.ElementInformation.IsCollection
    Console.WriteLine("Urls element is a collection? {0}", _
    isCollection.ToString())

End Sub