ServiceManager.RemoveCallback Method (Delegate, Delegate)
A helper method that performs a Delegate.Remove operation, and unwraps delegates that are proxies to generic callbacks. You should use this method in your Overload:System.Activities.Presentation.ServiceManager.UnSubscribe implementations.
Assembly: System.Activities.Presentation (in System.Activities.Presentation.dll)
The existing delegate to remove the callback from.
The callback to remove.
Available since 4.0