This documentation is archived and is not being maintained.

ObservableCollection(Of T) Constructor (IEnumerable(Of T))

Initializes a new instance of the ObservableCollection(Of T) class that contains elements copied from the specified collection.

Namespace:  System.Collections.ObjectModel
Assembly:  System (in System.dll)

Public Sub New ( _
	collection As IEnumerable(Of T) _


Type: System.Collections.Generic.IEnumerable(Of T)
The collection from which the elements are copied.


The collection parameter cannot be Nothing.

The elements are copied onto the ObservableCollection(Of T) in the same order they are read by the enumerator of the collection.

.NET Framework

Supported in: 4, 3.5 SP1, 3.0 SP2

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.