Получение дескриптора ODBC соединения

unit Getprop;

interface

uses
  SysUtils, WinTypes, WinProcs, Messages, Classes, Graphics, Controls,
  Forms, Dialogs, Grids, DBGrids, StdCtrls, DB, DBTables,
  DBIProcs, DBITypes, DBIErrs;

type
  TForm1 = class(TForm)
    Table1: TTable;
    DataSource1: TDataSource;
    Button1: TButton;
    Button2: TButton;
    DBGrid1: TDBGrid;
    Edit1: TEdit;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
begin
  Table1.active := True;
end;

procedure TForm1.Button2Click(Sender: TObject);
var
  hTmpDB: hDBIDb;
  iLen: word;

begin
  Check(DbiGetProp(hDBIObj(Table1.DBhandle), dbNATIVEHNDL, @hTmpDB,
    sizeof(hDBIDb), iLen));
  Edit1.text := inttostr(longint(htmpdb));
end;

end.