mes-client/UAS_Web/Browser.cs

using CefSharp.WinForms;
using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Windows.Forms;

namespace UAS_Web
{
    public partial class Browser : Form
    {

        [DllImport("User32.dll")]
        public static extern IntPtr GetForegroundWindow();     //获取活动窗口句柄  

        [DllImport("User32.dll", CharSet = CharSet.Auto)]
        public static extern int GetWindowThreadProcessId(IntPtr hwnd, out int ID);   //获取线程ID  

        private ChromiumWebBrowser webBrowser;

        public Browser()
        {
            InitializeComponent();
            Text = "英唐数码-供应商条码打印";
            string path = "http://218.18.115.198:8889/ERP/jsps/vendbarcode/login.jsp";
            webBrowser = new ChromiumWebBrowser(path)
            {
                Dock = DockStyle.Fill
            };
            Controls.Add(webBrowser);
            webBrowser.LoadError += WebBrowser_LoadError;
        }

        private void WebBrowser_LoadError(object sender, CefSharp.LoadErrorEventArgs e)
        {
            MessageBox.Show("当前网络无法访问");
        }

        private void Browser_FormClosing(object sender, FormClosingEventArgs e)
        {
            webBrowser.Dispose();
            CefSharp.Cef.Shutdown();
        }

        private void Browser_Load(object sender, EventArgs e)
        {
            Process[] pro = Process.GetProcessesByName("UAS_Web");
            for (int i = 0; i < pro.Length; i++)
            {
                if (pro[i].Id != Process.GetCurrentProcess().Id)
                {
                    pro[i].Kill();
                }
            }
        }
    }
}