private async Task SetAcceptedStateAsync()
 {
     VisualStateManager.GoToState(this, "Accepted", true);
     RunResponseAnimations();
     DeclineRoot.Fade(value: 0.0f, duration: 0, delay: 0).Start();
     await AcceptRoot.Offset(offsetX : 0.0f, offsetY : 26.0f, duration : 800, delay : 0).StartAsync();
 }
        private void RunNormalAnimations()
        {
            // Show
            //HeaderTextBlock.Fade(value: 1.0f, duration: 200, delay: 0).Start();
            InviteesRoot.Fade(value: 1.0f, duration: 400, delay: 0).Start();
            LunchInfoRoot.Fade(value: 1.0f, duration: 400, delay: 0).Start();
            DeclineRoot.Fade(value: 1.0f, duration: 0, delay: 0).Start();
            AcceptRoot.Fade(value: 1.0f, duration: 0, delay: 0).Start();

            // Hide
            ResponseSubmittedRoot.Fade(value: 0.0f, duration: 400, delay: 0).Start();

            // Move
            AcceptRoot.Offset(offsetX: 0.0f, offsetY: 0.0f, duration: 300, delay: 0).Start();
            DeclineRoot.Offset(offsetX: 0.0f, offsetY: 0.0f, duration: 300, delay: 0).Start();
        }