Gets the identifier for the dependency property where the value change occurred.
Assembly: WindowsBase (in WindowsBase.dll)
This property is relevant if used within a common PropertyChangedCallback that is registered for several properties, and it is necessary to disambiguate which property change invoked the callback. is not typically relevant for raising events, because there is usually a 1:1 correspondence between properties and events that report the property change. The event that was raised is itself the indication of which property changed.
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.