AIParkingApplication/AIParkingApplication/Printer.cs

using Microsoft.Win32;
using NLog;
using System;
using System.IO;
using System.Windows.Forms;

namespace AIParkingApplication
{
    public class Printer
    {
        private Logger appLogger;

        public Printer(Logger appLogger)
        {
            this.appLogger = appLogger;
            SetupPrinterPageSetting();
        }

        public void DoPrint(PrinterData printData)
        {
            WebBrowser webBrowser = new WebBrowser();
            webBrowser.Left = 0;
            string documentText = ProcessingString("PrinterForm.html", printData);
            if (!string.IsNullOrEmpty(documentText))
            {
                webBrowser.DocumentText = documentText;
                webBrowser.DocumentCompleted += WebBrowser_DocumentCompleted;
            }
        }

        private void WebBrowser_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
        {
            ((WebBrowser)sender).Print();
        }

        private string ProcessingString(string path, PrinterData printerField)
        {
            try
            {
                string htmlStr = File.ReadAllText(path);
                htmlStr = htmlStr.Replace("{PLATE_STRING}", printerField.PlateString)
                    .Replace("{TIME_PARKING_IN}", printerField.TimeParkingIn)
                    .Replace("{TIME_PARKING_OUT}", printerField.TimeParkingOut)
                    .Replace("{MONEY_AMOUNT}", printerField.MoneyAmount);
                return htmlStr;
            }
            catch (Exception ex)
            {
                Console.WriteLine($"ProcessingString\texMessage:{ex.Message}");
                appLogger.Log(LogLevel.Error, $"Lỗi khi In hóa đơn: {ex.Message}");
                return string.Empty;
            }
        }

        private void SetupPrinterPageSetting()
        {
            RegistryKey key = Registry.CurrentUser.OpenSubKey(@"SOFTWARE\Microsoft\Internet Explorer\PageSetup", RegistryKeyPermissionCheck.ReadWriteSubTree);

            key.SetValue("footer", string.Empty, RegistryValueKind.String);
            key.SetValue("header", string.Empty, RegistryValueKind.String);
            key.SetValue("margin_top", 0);
            key.SetValue("margin_right", 0.2);
            key.SetValue("margin_bottom", 0.5);
            key.SetValue("margin_left", 0.2);
            key.Close();
        }
    }

    public class PrinterData
    {
        public string PlateString { get; set; }
        public string TimeParkingIn { get; set; }
        public string TimeParkingOut { get; set; }
        public string MoneyAmount { get; set; }
    }
}