unit Unit1;    interface    uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Grids, DBGrids, ExtCtrls;    type
  TBaseForm = class(TForm)
    ScrollBox1: TScrollBox;
    Image1: TImage;
    procedure FormCreate(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
  private
    xx, yy: Integer;
    procedure MyMouseDown(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure MyMouseMove(Sender: TObject; Shift: TShiftState; X,
      Y: Integer);
    procedure MyMouseUp(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure setmode(index: Integer; ctl: twincontrol);
  public      end;    var
  BaseForm: TBaseForm;    implementation    {$R *.dfm}    procedure TBaseForm.MyMouseDown(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
var
  ctl: Tcontrol;
begin
  ctl := Tcontrol(Sender);
  setcapturecontrol(ctl);
  xx := X;
  yy := Y;
end;    procedure TBaseForm.MyMouseMove(Sender: TObject; Shift: TShiftState; X,
  Y: Integer);
var
  ct: Tcontrol;
begin
  ct := getcapturecontrol;
  if ct = nil then exit;
  ct.left := ct.left + X - xx;
  ct.top := ct.top + Y - yy;
end;    procedure TBaseForm.MyMouseUp(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
begin
  ReleaseCapture;
end;    procedure TBaseForm.setmode(index: Integer; ctl: twincontrol);
var
  i: Integer;
begin
  ScrollBox1.DoubleBuffered := True;
  case index of
    0:
      begin
        Screen.Cursor:=crDefault;
        for i := 0 to ctl.Controlcount - 1 do begin
          TScrollBox(ctl.Controls[i]).OnMouseMove := nil;
          TScrollBox(ctl.Controls[i]).OnMousedown := nil;
          TScrollBox(ctl.Controls[i]).OnMouseup := nil;
        end;
      end;
    1:
      begin
      Screen.Cursor:=crHandPoint;
        for i := 0 to ctl.Controlcount - 1 do begin
          if ctl.Controls[i].Parent = ctl then begin
            TScrollBox(ctl.Controls[i]).OnMouseMove := MyMouseMove;
            TScrollBox(ctl.Controls[i]).OnMousedown := MyMouseDown;
            TScrollBox(ctl.Controls[i]).OnMouseup := MyMouseUp;
          end;
        end;
      end;
  end;
end;    procedure TBaseForm.FormCreate(Sender: TObject);
begin
  setmode(1, ScrollBox1);
end;    procedure TBaseForm.FormClose(Sender: TObject; var Action: TCloseAction);
begin
  setmode(0, ScrollBox1);
end;    end.