mes-client/UAS_Web/PrinterList.cs

using CefSharp;
using System;
using System.Drawing.Printing;
using System.Windows.Forms;

namespace UAS_Web
{
    public partial class PrinterList : Form
    {
        public IBrowser browser;

        public PrintDocument PrintDoc;

        public PrinterList(IBrowser br)
        {
            InitializeComponent();
            browser = br;
            PrintDoc = PrintFile;
        }

        private void PrinterList_Load(object sender, EventArgs e)
        {
            PrintDocument print = new PrintDocument();
            string sDefault = print.PrinterSettings.PrinterName;//默认打印机名
            foreach (string sPrint in PrinterSettings.InstalledPrinters)//获取所有打印机名称
            {
                Printer.Items.Add(sPrint);
                if (sPrint == sDefault)
                    Printer.SelectedIndex = Printer.Items.IndexOf(sPrint);
            }
        }

        private void PrinterList_Shown(object sender, EventArgs e)
        {
            TopMost = true;
        }
    }
}