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⤷ Get ASCII code of pressed key

Set KeyPreview property of Form to True and use onKeyDown event. This event has Key parameter. It is a ASCII code of key.

procedure TForm1.FormKeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  Label1.Caption:=Chr(Key)+' - '+IntToStr(Key);
end;
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