delphi tFrame Hierarchy zoder parent

 delphi tFrame Hierarchy zoder parent

 https://stackoverflow.com/questions/18963018/delphi-how-to-close-a-form-from-within-a-tframe-on-that-form

http://www.felix-colibri.com/papers/firemonkey/firemonkey_architecture/firemonkey_architecture.html 

https://blogs.embarcadero.com/learn-how-to-create-flexible-cross-platform-firemonkey-applications-using-tframestand-for-delphi/