title: Why my coreWebView2 which is object of webView2 is null?
body: <p>I am creating a object of Microsoft.Web.WebView2.WinForm.WebView2 but the sub obect of this coreWebView2 is null</p>
  <pre><code>Microsoft.Web.WebView2.WinForm.WebView2 webView = new Microsoft.Web.WebView2.WinForm.WebView2()
  // Change some GUI properties of webView
  webView.CoreWebView.NavigateUrl(url)
  // I can not access the above line because CoreWebView is null
  </code></pre>