private void StartButton_Click(object sender, EventArgs e)
        {
            if (!EncryptRadio.Checked && !DecryptRadio.Checked)
            {
                ShowErrorWindow("Choose an option first");
                return;
            }
            if (InputTextBox.Text == "")
            {
                ShowErrorWindow("Check the correction of your input");
                return;
            }
            TextFormatter Formatter = new TextFormatter(TextWorker, FormatMethod);

            // Make sure that text is clean of unuseful spaces
            string targetText = InputTextBox.Text.DeleteLeadingAndTrailingSpaces();
            string result     = Formatter.ExecuteProcess(targetText).DeleteLeadingAndTrailingSpaces();

            OutputTextBox.Text         = result;
            CopyToBufferButton.Enabled = true;
        }