A quick SEO note: Many people search "Delphi decompiler" and land on dnSpy. Do not use it for native Delphi.
DeDe maps button clicks and other events to their specific addresses in the code. delphi decompiler dede
Reverse engineering is a legal minefield. In most jurisdictions (US DMCA, EU Copyright Directive): A quick SEO note: Many people search "Delphi