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ConfigurationCollectionAttribute.ConfigurationCollectionAttribute Constructor

Initializes a new instance of the ConfigurationCollectionAttribute class.

Namespace: System.Configuration
Assembly: System.Configuration (in system.configuration.dll)

public ConfigurationCollectionAttribute (
	Type itemType
public ConfigurationCollectionAttribute (
	Type itemType
public function ConfigurationCollectionAttribute (
	itemType : Type
Not applicable.



The type of the property collection to create.

Exception typeCondition


itemType is a null reference (Nothing in Visual Basic).

You use this constructor to tell the .NET Framework the custom type of the property collection to be created.

The following example shows how to use the ConfigurationCollectionAttribute.

// Declare the urls collection property.
// Note: the "IsDefaultCollection = false" instructs 
// .NET Framework to build a nested section of 
// the kind <urls> ...</urls>.
[ConfigurationProperty("urls", IsDefaultCollection = false)]
public UrlsCollection Urls

        UrlsCollection urlsCollection = 
        return urlsCollection;

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0