uses ShellAPI, ShlObj; 
 
procedure TForm1.Button1Click(Sender: TObject); 
var 
  TitleName : string; 
  lpItemID : PItemIDList; 
  BrowseInfo : TBrowseInfo; 
  DisplayName : array[0..MAX_PATH] of char; 
  TempPath : array[0..MAX_PATH] of char; 
begin 
  FillChar(BrowseInfo, sizeof(TBrowseInfo), #0); 
  BrowseInfo.hwndOwner := Form1.Handle; 
  BrowseInfo.pszDisplayName := @DisplayName; 
  TitleName := 'Please specify a directory'; 
  BrowseInfo.lpszTitle := PChar(TitleName); 
  BrowseInfo.ulFlags := BIF_RETURNONLYFSDIRS; 
  lpItemID := SHBrowseForFolder(BrowseInfo); 
  if lpItemId <> nil then begin 
   SHGetPathFromIDList(lpItemID, TempPath); 
   ShowMessage(TempPath); 
   GlobalFreePtr(lpItemID); 
  end; 
end;