StructuralObject.PropertyChanging Event

 

Notification that a property is about to be changed.

Namespace:   System.Data.Entity.Core.Objects.DataClasses
Assembly:  EntityFramework (in EntityFramework.dll)

public event PropertyChangingEventHandler PropertyChanging

The PropertyChanging event can indicate all properties on the object are changing by using either a null reference (Nothing in Visual Basic) or String.Empty as the property name in the PropertyChangingEventArgs.