Mit der Forum-Suche doch noch was gefunden:
Delphi-Quellcode:
procedure TForm1.Button1Click(Sender: TObject);
var
Test : array [0..2] of TVarRec;
begin
Test[0].VInteger := StrToInt(Edit2.text);
Test[1].VExtended := StrToFloat(Edit3.text);
Test[2].VAnsiString := Edit4.text;
Label1.Caption := format( Edit5.text , Test);
end;