Ok grazie alka ci provo.MrCocò85 il codice è il seguente:

unit Unit1;

interface

uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, Mask, ToolEdit, uMfTreeExplorer, TimerLst, ExtCtrls,
RXClock;

type
TForm1 = class(TForm)
MfTreeExplorer1: TMfTreeExplorer;
DirectoryEdit1: TDirectoryEdit;
Button1: TButton;
Button2: TButton;
Button3: TButton;
ListBox1: TListBox;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
procedure DirectoryEdit1Change(Sender: TObject);
procedure MfTreeExplorer1ScanComplete(Sender: TObject);

private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
MfTreeExplorer1.Scan;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
MfTreeExplorer1.Cancel;


end;

procedure TForm1.Button3Click(Sender: TObject);
begin
Form1.Close
end;

procedure TForm1.DirectoryEdit1Change(Sender: TObject);
begin
MfTreeExplorer1.Path:=DirectoryEdit1.Text;
end;

procedure TForm1.MfTreeExplorer1ScanComplete(Sender: TObject);
begin
with TMfTreeExplorer(Sender) do
ShowMessage(Format('Scansione di %d files e %d cartelle completata', [FileNames.Count, DirNames.Count]));

end;



end.


e per il db?