protected override bool GetAuthCredentials(CefBrowser browser, string originUrl, bool isProxy, string host, int port, string realm, string scheme, CefAuthCallback callback)
{
//TODO: A custom dialog should be implemented to get username and password here.
var e = new AuthCredentialsEventArgs(originUrl, isProxy, host, port, realm, scheme, callback);
_owner.InvokeIfRequired(() => _owner.OnGetAuthCredentials(e));
return(!e.CancelRequestImmediately);
}