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   源码介绍

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winform收银机客显器LED测试软件demo

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
namespace WindowsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            comboBox1.SelectedIndex = 0;
            cbComPort.SelectedIndex = 4;

         
        }

        private void button1_Click(object sender, EventArgs e)
        {
            

           
            CustomerDisplay disliay;
            try
            { 
                disliay = new CustomerDisplay(cbComPort.Text,int.Parse(textBox2.Text),System.IO.Ports.StopBits.One.ToString(), 8);

                switch (comboBox1.Text)
                {
                    case "单价":
                        disliay.DispiayType = CustomerDispiayType.Price;
                        break;
                    case "收款":
                        disliay.DispiayType = CustomerDispiayType.Recive;
                        break;
                    case "总计":
                        disliay.DispiayType = CustomerDispiayType.Total;
                        break;
                    case "找零":
                        disliay.DispiayType = CustomerDispiayType.Change;
                        break;
                }
                disliay.DisplayData(textBox1.Text);

            }
            catch (Exception ex) 
            { 
                MessageBox.Show(ex.ToString());
            }
           
        }

        private void button2_Click(object sender, EventArgs e)
        {
          
        }
    }
}