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WeakEventManager.WriteLock Property

Establishes a write-lock on the underlying data table, and returns anIDisposable.

Namespace:  System.Windows
Assembly:  WindowsBase (in WindowsBase.dll)

protected IDisposable WriteLock { get; }

Property Value

Type: System.IDisposable
An object that can be used to establish a lock on the data table members and then be appropriately disposed with a using construct.

In derived classes, all modifications to the underlying data table should occur within a using (WriteLock) { ... } clause. These modifications may be necessary if your class supports a more sophisticated AddListener implementation that requires more data beyond the source and the listener, and uses the Item collection to store the extra information.

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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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