private void button4_Click(object sender, EventArgs e)
        {
            LR4 f = new LR4();

            this.Hide();
            f.ShowDialog();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            Form LR4 = new LR4();

            Methods.PerehodNaFormu(this, LR4);
        }