private void restart_window()
 {
     this.Visible = false;
     Fisiere a = new Fisiere();
     a.ShowDialog();
     this.Close();
 }
 private void fisiereleMeleToolStripMenuItem_Click(object sender, EventArgs e)
 {
     this.Visible = false;
     Fisiere a = new Fisiere();
     a.ShowDialog();
     this.Close();
 }