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ObservableCollection<T>.BlockReentrancy Method

Disallows reentrant attempts to change this collection.

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

protected IDisposable BlockReentrancy()

Return Value

Type: System.IDisposable
An IDisposable object that can be used to dispose of the object.

The typical usage is to wrap an OnCollectionChanged call within a using scope, as in the following example:

using (BlockReentrancy())
{
    // OnCollectionChanged call
}

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET for Windows Store apps

Supported in: Windows 8

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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