delphi question

Hello Experts,

Need a quick soln for below problem,

i have a oracle package as

create or replace package pkg1 is
  type x_rc is ref cursor;
  procedure p(p_empid in integer,p_cur in out x_rc );
end pkg1;

create or replace package body pkg1 as

  procedure p(p_empid in integer ,p_cur in out x_rc )
  is
  begin
    open p_cur for select * from employee where emp_id = p_empid;  
  end;
end pkg1;

How to use this package in delphi for populating a grid?