nu byyybis

 void Search(object obj)
        {

               try
               {
                    foreach (string file in txtFiles)
                    {
                        if (file.Contains(textBox1.Text))
                        {
                            this.Invoke((MethodInvoker)delegate
                            {
                                rastas = file;

                            });

                        }
                        i++;
                    }
               }
               catch (UnauthorizedAccessException uAEx)
               {
                    MessageBox.Show("Nu negalima kai kur ieit. Access denied.");
               }


        }