public unsafe void InitAsChild(IntPtr handle, System.Drawing.Rectangle rect)
{
cef_window_info_t *pinfo = WindowInfo.FixedPtr;
pinfo->parent_window = handle;
pinfo->x = rect.Left;
pinfo->y = rect.Top;
pinfo->width = rect.Width;
pinfo->height = rect.Height;
CefWin.WriteDebugLine("Creating browser " + CefWin.ApplicationElapsed);
Browser = CefBrowser.CreateBrowserSync(WindowInfo, Client, Url, Settings);
MainFrame = Browser.GetMainFrame();
BrowserHost = Browser.GetHost();
hostWindowHandle = BrowserHost.GetWindowHandle();
CefWin.WriteDebugLine("Creating browser OK doc:" + Browser.HasDocument + " id:" + Browser.Identifier + ":" + MainFrame.Identifier + " " + CefWin.ApplicationElapsed);
CefWin.WriteDebugLine("send msgfrombrowser");
MainFrame.SendProcessMessage(cef_process_id_t.PID_RENDERER, "msgfrombrowser");
//do not call here, document is not ready!
//MainFrame.ExecuteJavaScript("console.log('hello CefLite')");
//ShowDevTools();
}