/// <summary>
/// enables or disables the text boxes based on whether or not
/// the preceeding identifiers were toggled on the PaymentAndCustomerType form,
/// also disables the proceedButton to force the user to calculate customer's change
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void PaymentCalculator_Load(object sender, EventArgs e)
{
proceedButton.Enabled = false;
if (GlobalUtilities.getCashPaymentIdentifier() != true)
{
cashTextBox.ReadOnly = true;
}
if (GlobalUtilities.getCreditPaymentIdentifier() != true)
{
creditTextBox.ReadOnly = true;
}
if (GlobalUtilities.getDebitPaymentIdentifier() != true)
{
debitTextBox.ReadOnly = true;
}
if (GlobalUtilities.getCheckPaymentIdentifier() != true)
{
checkTextBox.ReadOnly = true;
}
if (GlobalUtilities.getSalaryDeductionPaymentIdentifier() != true)
{
salaryDeductionTextBox.ReadOnly = true;
}
totalAmountTextBox.Text = String.Format("{0:n}", GlobalUtilities.getTotalCost());
changeTextBox.Text = "0";
}
