[marcoszorrilla]

Prueba esta idea:

Código Delphi [-]
unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, ExtCtrls, DBCtrls, Grids, DBGrids, Db, DBTables;
  var
  Ni_Te_Menees:Boolean;
type
  TForm1 = class(TForm)
    Button1: TButton;
    Table1: TTable;
    DataSource1: TDataSource;
    DBGrid1: TDBGrid;
    DBNavigator1: TDBNavigator;
    procedure Button1Click(Sender: TObject);
    procedure FormActivate(Sender: TObject);
    procedure Table1BeforeScroll(DataSet: TDataSet);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

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

procedure TForm1.FormActivate(Sender: TObject);
begin
Ni_Te_Menees:=False;
end;

procedure TForm1.Table1BeforeScroll(DataSet: TDataSet);
begin
 if Ni_Te_Menees = True then
 SysUtils.Abort;
end;

end.

Un Saludo.