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SiteMapNodeCollection.SyncRoot Property

Gets an object that can be used to synchronize access to the collection.

Namespace:  System.Web
Assembly:  System.Web (in System.Web.dll)
public virtual Object SyncRoot { get; }

Property Value

Type: System.Object
An object that can be used to synchronize access to the SiteMapNodeCollection.

Enumerating through a SiteMapNodeCollection collection is intrinsically not a thread safe procedure. Even when a SiteMapNodeCollection is synchronized, other threads can still modify the SiteMapNodeCollection, which causes the enumerator to throw an exception. To guarantee thread safety during enumeration, you can either lock the SiteMapNodeCollection during the entire enumeration or catch the exceptions resulting from changes that are made by other threads.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

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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