server端代码：
ChromiumWebBrowser wb;
wb.AddGlobalJSFunction("CfxHelloWorld").Execute += CfxHelloWorld_Execute;
void CfxHelloWorld_Execute(object sender, CfrV8HandlerExecuteEventArgs e)
{
MessageBox.Show("调用成功！");
}
JS调用代码：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title></title>
</head>
<body>
<button onclick="CfxHelloWorld()">点击调用C#</button>
</body>
</html>