我用的是DELPHI自带的报表控件。。
  在子窗口中点打印按钮。。打印预览为什么在窗口下显示。。
  我要在窗口上显示。。怎么搞。。   子窗口是这样显示出来的:
   if assigned(OrderBookForm) then
   begin
    OrderBookForm.free;
    OrderBookForm:=nil;
   end;
  OrderBookForm := TOrderBookForm.Create(Application);
  Try
    OrderBookForm.Show;
  打印窗口是这样的:
OrderBookReportForm := TOrderBookReportForm.Create(Application);
 Try
   OrderBookReportForm.Show;
 Finally
   
   OrderBookReportForm.Free;
 end;
end;