{uses ShellApi}

procedure TForm1.ListBox1DblClick(Sender: TObject);

var s:string;

begin

s:=listbox1.Items[SendMessage(ListBox1.Handle,lb_GetCurSel,0,0)];

if edit1.Text[length(edit1.text)]<>'\' then edit1.text:=concat(edit1.text+'\');

if (not FileExists(edit1.text+s)) and (s[1]='[')and(s[length(s)]=']') then

DlgDirList( handle,

PChar(edit1.text+copy(s,2,length(s)-2)),

ListBox1.Handle,

Edit1.Handle,

faAnyFile

 );

if edit1.Text[length(edit1.text)]<>'\' then edit1.text:=concat(edit1.text+'\');

if FileExists(edit1.text+s) then

begin

caption:=edit1.text+s;

ShellExecute(handle,'open',PChar(edit1.text+s),'','c:\',sw_show);

end

end;

procedure TForm1.FormShow(Sender: TObject);

begin

edit1.Width:=1024*8-1;

edit1.Visible:=false;

DlgDirList(handle,

PChar('c:\'),

ListBox1.Handle,

Edit1.Handle,

faAnyFile

);

listbox1.Sorted:=false;

listbox1.Sorted:=true;

end;

{uses ShellAPI}

type PListBox=^TListBox;

Procedure FillList(List:PListBox;pathh,mask:string;attr:Cardinal);

var path:string;

ser:TSearchRec;

begin

path:=pathh;

if path[length(path)]<>'\' then path:=path+'\';

List^.Items.Clear;

if FindFirst(path+mask,attr,ser)<>0 then exit;

List^.Items.Add(ser.Name);

while Find(ser)=0 do

begin

if ser.Attr and faDirectory=faDirectory then

List^.Items.Add(' ['+Ser.Name+']')

else

List^.Items.Add(Ser.Name);

end;

List^.Sorted:=false;

list^.Sorted:=true;

end;

procedure TForm1.FormCreate(Sender: TObject);

begin

FillList(@ListBox1,edit1.text,'*.*',faAnyFile);

end;

procedure TForm1.ListBox1DblClick(Sender: TObject);

var s:string;

begin

s:=ListBox1.Items[SendMessage(ListBox1.Handle,lb_GetCurSel,0,0)];

if (not FileExists(edit1.text+s)) and (s[1]+s[2]=' [') and (s[length(s)]=']') then

begin

FillList(@ListBox1,edit1.text+copy(s,3,length(s)-3),'*.*',faAnyFile);

edit1.text:=edit1.text+copy(s,3,length(s)-3)+'\';

end;

if FileExists(edit1.text+s) then

ShellExecute(handle,'open',PChar(edit1.text+s),'','c:\',sw_show);

end;

{uses ShellAPI}

type PListBox=^TListBox;

Procedure FillList(List:PListBox;pathh,mask:string;attr:Cardinal);

var path:string;

ser:TSearchRec;

begin

path:=pathh;

if path[length(path)]<>'\' then path:=path+'\';

List^.Items.Clear;

if FindFirst(path+mask,attr,ser)<>0 then exit;

List^.Items.Add(ser.Name);

while Find(ser)=0 do

begin

if ser.Attr and faDirectory=faDirectory then

 List^.Items.Add(' ['+Ser.Name+']')

else

 List^.Items.Add(Ser.Name);

end;

List^.Sorted:=false;

list^.Sorted:=true;

end;



procedure TForm1.FormCreate(Sender: TObject);

begin

 FillList(@ListBox1,edit1.text,'*.*',faAnyFile);

 listbox1.itemheight:=18;

end;

procedure TForm1.ListBox1DblClick(Sender: TObject);

var s:string;

 Icon:hIcon;

 IconIndex:word;

begin

IconIndex:=1;

s:=ListBox1.Items[SendMessage(ListBox1.Handle,lb_GetCurSel,0,0)];

if (not FileExists(edit1.text+s)) and (s[1]+s[2]=' [') and (s[length(s)]=']') then

begin

 FillList(@ListBox1,edit1.text+copy(s,3,length(s)-3),'*.*',faAnyFile);

 edit1.text:=edit1.text+copy(s,3,length(s)-3)+'\';

end;

if FileExists(edit1.text+s) then

ShellExecute(handle,'open',PChar(edit1.text+s),'','c:\',sw_show);

end;

procedure TForm1.Button1Click(Sender: TObject);

var a:array of integer;

i:integer;

begin

SetLength(a,ListBox1.Items.Count+1);

//ZeroMemory(@a,ListBox1.Items.Count*4);

for i:=0 to ListBox1.Items.Count+1 do

a[i]:=10;

beep;

beep;

beep;

beep;

beep;

SendMessage(ListBox1.Handle,lb_SetTabStops,ListBox1.Items.Count,Integer(@a));

end;

procedure TForm1.ListBox1DrawItem(Control: TWinControl; Index: Integer;

Rect: TRect; State: TOwnerDrawState);

var icon:hIcon;

iconindex:word;

bm:TBitmap;

begin

iconindex:=1;

bm:=TBitmap.create;

bm.Width:=34;

bm.Height:=34;

ListBox1.Canvas.TextOut(17+Rect.Left,Rect.,ListBox1.Items[index]);

if (copy(ListBox1.Items[index],1,2)=' [') and

  (not FileExists(edit1.text+ListBox1.Items[Index])) then

begin

Icon := ExtractAssociatedIcon(HInstance,

PChar(edit1.text+copy(ListBox1.Items[Index],3,length(ListBox1.Items[Index])-3)),

IconIndex);

DrawIcon(bm.Canvas.Handle, 0, 0, Icon);

bm.Canvas.StretchDraw(classes.rect(0,0,16,16),bm);

ListBox1.Canvas.CopyRect(classes.rect(0,rect.top,16,rect.top+16),bm.canvas,classes.rect(0,0,16,16));

end

else

begin

Icon := ExtractAssociatedIcon(HInstance,

PChar(edit1.text+ListBox1.Items[Index]),

IconIndex);

DrawIcon(bm.Canvas.Handle, 0, 0, Icon);

bm.Canvas.StretchDraw(classes.rect(0,0,16,16),bm);

ListBox1.Canvas.CopyRect(classes.rect(0,rect.top,16,rect.top+16),bm.canvas,classes.rect(0,0,16,16));

end;

bm.Free;

CloseHandle(Icon);

end;

procedure TForm1.ListBox1KeyDown(Sender: TObject; var Key: Word;

Shift: TShiftState);

begin

 ListBox1.Repaint;

end;

procedure TForm1.ListBox1MouseDown(Sender: TObject; Button: TMouseButton;

Shift: TShiftState; X, Y: Integer);

var k:word;

begin

 k:=0;

 Listbox1.OnKeyDown(sender,k,shift);

end;