private void openMenu_Click(object sender, EventArgs e) { exitButton.PerformClick(); open_dlg = new OpenFileDialog(); open_dlg.FileName = ""; open_dlg.Filter = "Text |*.txt"; if (open_dlg.ShowDialog() == DialogResult.OK) { try { humandb = HumanDB.ReadFromTxt(open_dlg.FileName); } catch (FormatException ex) { MessageBox.Show(ex.Message, "Ошибка"); open_dlg = null; return; } Update(humandb); closeMenu.Enabled = true; saveMenu.Enabled = true; panel1.Visible = true; panel2.Visible = true; } else { open_dlg = null; } }