Biskilog/BISKILOG POS BASIC/POSDialogs/Discount.cs

using BiskLog_Point_Of_Sale.Classes;
using System;
using System.Drawing;
using System.Windows.Forms;

namespace Point_Of_Sale_Managment
{
    public partial class Discount : Form
    {
        decimal discount;
        SalesPOS formSale;


        public Discount(SalesPOS formsales)
        {
            InitializeComponent();
            formSale = formsales;
        }

        private void Discount_Load(object sender, EventArgs e)
        {
            discount = 0;
            textBox1.Focus();
        }

        private void Discount_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                try
                {
                    discount = decimal.Parse(textBox1.Text);
                    formSale.LoadDiscount(discount);
                    Close();
                }
                catch (Exception ex)
                {
                    ErrorLogging.WriteToFile(ex.ToString());
                    discount = 0;
                    Close();
                }
            }
            else if (e.KeyCode == Keys.Escape)
            {
                Close();
            }
        }

        private void TextBox1_TextChanged(object sender, EventArgs e)
        {

        }

        private void TextBox1_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == 46)
            {
                // accepts . character
            }
            else if (e.KeyChar == 8)
            {
                //accepts backspace
            }
            else if ((e.KeyChar < 48) || (e.KeyChar > 57)) //ascii code 48-57 between 0-9
            {
                e.Handled = true;
            }
        }

        private void ExitBTN_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void ExitBTN_MouseEnter(object sender, EventArgs e)
        {
            exitBTN.BackColor = Color.Crimson;
        }

        private void ExitBTN_MouseLeave(object sender, EventArgs e)
        {
            exitBTN.BackColor = Color.Transparent;
        }
    }
}