/// <summary>
/// Raises the <see cref="Deactivated"/> event.
/// </summary>
/// <param name="eventArgs">
/// <see cref="DeactivationEventArgs"/> object that provides the arguments for the event.
/// </param>
/// <remarks>
/// <strong>Notes to Inheritors:</strong> When overriding <see cref="OnDeactivated"/> in a
/// derived class, be sure to call the base class's <see cref="OnDeactivated"/> method so
/// that registered delegates receive the event.
/// </remarks>
protected virtual void OnDeactivated(DeactivationEventArgs eventArgs)
{
Deactivated?.Invoke(this, eventArgs);
}
protected override void OnDeactivated(DeactivationEventArgs eventArgs)
{
(Item as IActivatable)?.OnDeactivate(eventArgs.Closed);
base.OnDeactivated(eventArgs);
}