this.webBrowser1.ObjectForScripting = new OprateBasic();
this.webBrowser1.Source = new Uri(Environment.CurrentDirectory + @"\template.html");

WPF把数据传给js:

webBrowser1.InvokeScript("msg", objects);

js控制WPF的方法:

    [System.Runtime.InteropServices.ComVisible(true)] // 将该类设置为com可访问
    public class OprateBasic
    {
        public void palymusic(string msg)
        {
            MessageBox.Show(msg);
        }
    }

注意:

this.webBrowser1.ObjectForScripting = this; 会报错,需重新定义一个类:如OprateBasic,并把js要调用的方法放在这个类中

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