OnURLRequest not working

[fatersoft]

hi
How to get the data posted by another program
IWAppFormURLRequest
It doesn't work
In other words
how to get webapplication.Request.ContentFields

in the 15.1 is true
in the 15.2 is not working


procedure TmainForm.IWAppFormURLRequest(aSender: TIWAppForm;
  aRequest: THttpRequest);
begin
    IWMemo1.Lines.Text webapplication.Request.ContentFields.Text;

end;
It doesn't work in 15.2