TForm1.ListBox2Click

procedure TForm1.ListBox2Click(Sender: TObject);
var
s: string;
i: integer;
f: file of isp;
a: isp;
begin
	i:=1;
	AssignFile(f, 'isp.txt');
	reset(f);
	while not eof(f) do
	begin
		Read(F, a);
		md[i]:=a;
		i:=i+1;
	end;
if listbox2.Itemindex=-1 then
	listbox2.Itemindex:=0;
	s:=Listbox2.Items.Strings[listbox2.itemindex];
	for i:=1 to 10 do
	begin
		if s=mD[i].name then
		begin
			Label4.Caption:=md[i].godn;
			Label5.Caption:=md[i].kol;
			Label6.Caption:=md[i].str;
			memo2.Text:=md[i].opisanie;
			Image1.Picture.LoadFromFile(md[i].foto);
			if listbox2.ItemIndex<>-1 then image1.Visible:=true;
		end;
	 end;
end;