winform集成cefSharp，與頁面進行交互

時間 2019-11-11

標籤 winform 集成 cefsharp 頁面進行交互简体版

原文原文鏈接

    /// <summary>
    /// 爲了使網頁可以與winForm交互 將 com 的可訪問性設置爲 true
    /// </summary>
    [System.Runtime.InteropServices.ComVisible(true)]
    public partial class Form1 : Form
    {
        /// <summary>
        /// 聲明變量
        /// </summary>
        private CefSharp.CefSettings _settings;
        ChromiumWebBrowser _browser;

        public Form1()
        {
            try
            {
                InitializeComponent();

                //初始化cefSharp
                AppLog.Info("cefSharp init ...");
                _settings = new CefSharp.CefSettings();
                CefSharp.Cef.Initialize(_settings);

                //下面設置，減小白屏的發生，此爲cefSharp的bug
                if (!_settings.MultiThreadedMessageLoop)
                {
                    Application.Idle += (sender, e) => { Cef.DoMessageLoopWork(); };
                }
                AppLog.Info("cefSharp init OK");

                //設置窗口最大化,最頂端顯示
                this.FormBorderStyle = FormBorderStyle.None;
                this.WindowState = FormWindowState.Maximized;
                this.TopMost = true;

            }
            catch (Exception ex)
            {
                AppLog.Error(ex.Message);
            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            try
            {
                _browser = new ChromiumWebBrowser("../index.html");
                _browser.RegisterJsObject("cefSharpBrower", new ScriptCallbackManager(), false);

                this.Controls.Add(_browser);

            }
            catch (Exception ex)
            {
                AppLog.Error(ex.Message);
            }
        }

        /// <summary>
        /// js調用方法類
        /// </summary>
        [System.Runtime.InteropServices.ComVisible(true)]
        class ScriptCallbackManager
        {
            /// <summary>
            /// 關閉窗體
            /// </summary>
            public void CloseWindow()
            {
                //退出程序,結束進程
                Process.GetCurrentProcess().Kill();
            }

            //方法1
            public void Func1()
            {
                  //具體實現  
                  ...
            }
　　　　}

添加對cefSharp的引用javascript

using CefSharp;
using CefSharp.WinForms;

頁面的調用和交互html

<!DOCTYPE html>

<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="utf-8" />
    <title></title>
    <style>
        body {
            background-color: cadetblue
        }
    </style>
</head>
<body>
<div>
    <input value="關閉winform" type="button" id="btn_close" />
    <input value="Func1" type="button" id="btn_calc" />
</div>
<script type="text/javascript" src="https://code.jquery.com/jquery-1.10.2.min.js"></script>
<script type="text/javascript">

    //關閉程序
    $(function () {
        $("#btn_close").click(function () {
            cefSharpBrower.CloseWindow();
        });
    });

    $(function () {
        $("#btn_calc").click(function () {
            cefSharpBrower.Func1();
        });
    });

</script>
</body>
</html>

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