确定在uses子句中增加DDEMan。


uses windows, ddeman, ......


function Get_URL(Servicio: string): String;
var
   Cliente_DDE: TDDEClientConv;
   temp:PChar; 这是新的
begin
    Result := ;
    Cliente_DDE:= TDDEClientConv.Create( nil );
     with Cliente_DDE do
        begin
           SetLink( Servicio,WWW_GetWindowInfo);
           temp := RequestData(0xFFFFFFFF);
           Result := StrPas(temp);
           StrDispose(temp); 免内存
           CloseLink;
        end;
      Cliente_DDE.Free;
end;

procedure TForm1.Button1Click(Sender);
begin
   showmessage(Get_URL(Netscape));
      or
   showmessage(Get_URL(IExplore));
end;