The OnBeforePopupCreatedDelegate will be called before the popup has been created and
can be used to cancel popup creation if required, modify IBrowserSettings and disable javascript.
Namespace:CefSharp.WinForms.Handler Assembly:
CefSharp.WinForms (in CefSharp.WinForms.dll) Version: 111.2.70.0 (111.2.70.0)