[C#][原创]webview2简单使用

Posted 2022-06-06 FL1623863129

1、本例子需要下载

Microsoft.Web.WebView2 

WebView2.Runtime.X64或者​​​​​​WebView2.Runtime.X86

引用库：

 webview2运行库这样放置：

 代码如下：

using Microsoft.Web.WebView2.Core;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApplication1

    public partial class Form1 : Form
    
        public Form1()
        
            InitializeComponent();
        

        private async void Form1_Load(object sender, EventArgs e)
        

            await webView21.EnsureCoreWebView2Async(await CoreWebView2Environment.CreateAsync(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "WebView2")));
            this.webView21.CoreWebView2.Navigate("https://www.baidu.com");
            //webView21.Source = new Uri("https://www.baidu.com");
            webView21.CoreWebView2.NewWindowRequested += CoreWebView2_NewWindowRequested;
        

       void  CoreWebView2_NewWindowRequested(object sender, CoreWebView2NewWindowRequestedEventArgs e)
        
            var deferral = e.GetDeferral();
            //e.NewWindow = (CoreWebView2)sender;
            e.NewWindow = this.webView21.CoreWebView2;
            e.NewWindow.Navigate(e.Uri);
            deferral.Complete();
            //e.Handled = true;
        
       
        private void webView21_NavigationCompleted(object sender, CoreWebView2NavigationCompletedEventArgs e)
        
          
        

        private void webView21_SourceChanged(object sender, CoreWebView2SourceChangedEventArgs e)
        
            Console.WriteLine(this.webView21.Source.AbsoluteUri);
        

        private void webView21_NavigationStarting(object sender, CoreWebView2NavigationStartingEventArgs e)
        

        

        private void webView21_WebMessageReceived(object sender, CoreWebView2WebMessageReceivedEventArgs e)
        

        
    

上述代码解决了2个常见问题：

（1）this.webView21.CoreWebView2的值一直是null，这是没有运行库导致

（2）内部跳转，网上说的没有一个完整，正确方式如上图要加个 e.NewWindow.Navigate(e.Uri);不然跳转后空窗口啥也没有。亲测通过，绝对原创。