private void btnGenerate_Click(object sender, EventArgs e)
        {
            if (txtFirstName.Text.Length < 2)
            {
                lblInfo.Text = "Missing firstname";
            }
            if (txtLastName.Text.Length < 2)
            {
                lblInfo.Text = "Missing lastname";
            }
            if (txtCompany.Text.Length < 2)
            {
                lblInfo.Text = "Missing company";
            }

            _registrationData = new RegistrationDataModel
            {
                FirstName  = this.txtFirstName.Text,
                LastName   = this.txtLastName.Text,
                Company    = this.txtCompany.Text,
                ComputerId = SysInfoManager.GetComputerId()
            };

            _registrationDataManager = RegistrationDataManager.Create(_registrationData);
            txtLicenseRequest.Text   = _registrationDataManager.SerializeToString();
        }