Initializes a new instance of the DateTimePropertyChangeEventArgs class with the specified routed event, dependency property, old and new DateTime value.

When overridden in a derived class, provides a way to invoke event handlers in a type-specific way, which can increase efficiency over the base implementation.

When overridden in a derived class, provides a notification callback entry point whenever the value of the Source property of an instance changes.

Gets or sets a value that indicates the present state of the event handling for a routed event as it travels the route.

Gets a new property value.

Gets an old property value.

Gets the original reporting source as determined by pure hit testing, before any possible Source adjustment by a parent class.

Gets a DependencyProperty object.

Gets or sets the RoutedEvent associated with this RoutedEventArgs instance.

Gets or sets a reference to the object that raised the event.