Notifies the change tracker that a property change is pending.
Assembly: System.Data.Entity (in System.Data.Entity.dll)
When an entity type is generated by the Entity Data Model tools, the method is called before a property change to cache the current value of the property in the IEntityChangeTracker so that this value can be used as the original value for the property.
This method calls the EntityMemberChanging method in the change tracker.
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.