GitUI.MainWindow.ShowMessage_Executed C# (CSharp) Метод

        private void ShowMessage_Executed(object sender, ExecutedRoutedEventArgs e)
        {
            dynamic msg = e.Parameter;
            txtMessage.Text = msg.Message;
            txtMessage.Foreground = new SolidColorBrush(
                msg.Error ? Colors.Red : Colors.Navy);
            txtMessage.Visibility = Visibility.Visible;
            txtMessage.Opacity = 1.0;
            DoubleAnimation doubleAnimation = new DoubleAnimation
            {
                Duration = new Duration(TimeSpan.FromMilliseconds(10000)),
                From = 1.0, To = 0.0
            };
            doubleAnimation.Completed += (o, _) => txtMessage.Visibility = Visibility.Collapsed;
            txtMessage.BeginAnimation(UIElement.OpacityProperty, doubleAnimation);
        }