unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ExtCtrls, FileCtrl, StdCtrls;

type
  TForm1 = class(TForm)
    DriveComboBox1: TDriveComboBox;
    DirectoryListBox1: TDirectoryListBox;
    FileListBox1: TFileListBox;
    FilterComboBox1: TFilterComboBox;
    Bevel1: TBevel;
    Image1: TImage;
    procedure DriveComboBox1Change(Sender: TObject);
    procedure DirectoryListBox1Change(Sender: TObject);
    procedure FileListBox1DblClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.DriveComboBox1Change(Sender: TObject);
begin
   directorylistbox1.Drive:=drivecombobox1.Drive;
end;

procedure TForm1.DirectoryListBox1Change(Sender: TObject);
begin
 filelistbox1.Directory:=directorylistbox1.Directory;
end;

procedure TForm1.FileListBox1DblClick(Sender: TObject);
begin
   image1.Picture.LoadFromFile(filelistbox1.FileName);
end;

end.