Baconit.PanelManager.PlayFadeAnimation C# (CSharp) Метод

        private void PlayFadeAnimation(PanelType newPanelType, PanelType lastPanelType, State newState)
        {
            PanelType panelToFade = PanelType.None;

            if (newState == State.FadingIn)
            {
                // If we are fading in we know which panel we want to fade in.
                panelToFade = newPanelType;
            }
            else
            {
                // Figure out what panel to fade out, if we are in single mode we want to fade out
                // whatever was on the screen last.
                if (m_screenMode == ScreenMode.Single)
                {
                    panelToFade = lastPanelType;
                }
                // If we are in split mode we want to fade out which ever panel we are replacing.
                else
                {
                    panelToFade = newPanelType;
                }
            }

            // Get the correct vars
            Storyboard story = panelToFade == PanelType.SubredditList ? ui_storySubList : ui_storyContent;
            DoubleAnimation anim = panelToFade == PanelType.SubredditList ? ui_animSubList : ui_animContent;
            Grid root = panelToFade == PanelType.SubredditList ? ui_subListRoot : ui_contentRoot;

            // Setup
            anim.To = newState == State.FadingIn ? 1 : 0;
            /// #todo, use the current opacity in the animation.
            anim.From = newState == State.FadingIn ? 0 : 1;
            /// #todo make this better, why do i have set set opacity?
            root.Opacity = newState == State.FadingIn ? 0 : 1;

            // Stop any existing animation
            story.Stop();

            // Set the new state
            m_state = newState;

            // Start a new one
            story.Begin();
        }