Caliburn.Micro.Screen.IActivate C# (CSharp) Method

        void IActivate.Activate() {
            if(IsActive)
                return;

            var initialized = false;

            if(!IsInitialized) {
                IsInitialized = initialized = true;
                OnInitialize();
            }

            IsActive = true;
            Log.Info("Activating {0}.", this);
            OnActivate();

            Activated(this, new ActivationEventArgs
            {
                WasInitialized = initialized
            });
        }