unit Unit3; interface uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.Grids, Vcl.DBGrids, Data.DB, Vcl.OleCtrls, MapWinGIS_TLB, Vcl.ComCtrls, Vcl.StdCtrls