Catrobat.IDE.WindowsPhone.Controls.SoundControls.SoundPlayButton.PlayButtonStatePropertyChanged C# (CSharp) Method

        static void PlayButtonStatePropertyChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
        {
            var playButton = (SoundPlayButton)sender;
            var value = (SoundPlayState)e.NewValue;

            if (value == SoundPlayState.Playing)
            {
                playButton.ButtonPause.Visibility = Visibility.Visible;
                playButton.ButtonPlay.Visibility = Visibility.Collapsed;
            }
            else
            {
                playButton.ButtonPause.Visibility = Visibility.Collapsed;
                playButton.ButtonPlay.Visibility = Visibility.Visible;
            }
        }