AMPSExcel.ServerForm.updateControlStates C# (CSharp) Method

        private void updateControlStates()
        {
            if (txtName.Text.Length > 0 &&
                txtHostName.Text.Length > 0 &&
                txtPort.Text.Length > 0 &&
                cmbProtocol.Text.Length > 0)
            {
                btnOK.Enabled = true;
            }
            else
            {
                btnOK.Enabled = false;
            }
            if (chkLogon.Checked)
            {
                lblPassword.Enabled = lblUserName.Enabled =
                    txtPassword.Enabled = txtUserName.Enabled = true;
            }
            else
            {
                lblPassword.Enabled = lblUserName.Enabled =
                    txtPassword.Enabled = txtUserName.Enabled = false;
            }
        }