How to tell Netscape Navigator which web pages to load from your Delphi program

program Netscape;
uses
 DDEMan;
procedure GotoURL( sURL : string );
var
 dde : TDDEClientConv;
begin
 dde   := TDDEClientConv.Create( nil );
 with dde do
 begin
   { specify the location of netscape.exe }
   ServiceApplication :=
   'c:\ns32\program\netscape.exe';
   { activate the Netscape Navigator }
   SetLink( 'Netscape', 'WWW_Activate' );
   RequestData('0xFFFFFFFF');
   { go to the specified URL }
   SetLink( 'Netscape', 'WWW_OpenURL' );
   RequestData(
     sURL+',,0xFFFFFFFF,0x3,,,' );
   { ... }
   CloseLink;
 end;
 dde.Free;
end;
begin
 GotoURL('http://www.chami.com/tips/' );
end.