void notifyShutDown() { var formNotify = new FormNotify(); if (formNotify.ShowDialog() != DialogResult.OK) { turnAwait(); return; } try { var shutDownSwitch = (ShutdownEngine.ShutDownSwitch)(comboBoxShutdownSwitch.SelectedItem); ShutdownEngine.ShutDown(shutDownSwitch); } catch (Exception exception) { MessageBox.Show(exception.Message, Text, MessageBoxButtons.OK, MessageBoxIcon.Error); turnAwait(); return; } Close(); }