private void ConvertButton_OnClick(object sender, RoutedEventArgs e)
        {
            string currentText;

            StringBuilder convertedText = new StringBuilder(PigLatin.Convert(InputTextBox.Text));

            if (ConvertedTextBox.Text != String.Empty)
            {
                currentText           = ConvertedTextBox.Text;
                ConvertedTextBox.Text = currentText + convertedText.ToString() + "\r\n";
            }
            else
            {
                ConvertedTextBox.Text = convertedText.ToString() + "\r\n";
            }

            InputTextBox.Text = String.Empty;
        }