/// <summary>
        /// Event delegate method fired when the <see cref="ManageConnectionInfosDialog"/> is being closed.
        /// </summary>
        /// <param name="sender">Sender object.</param>
        /// <param name="e">Event arguments.</param>
        private void ManageConnectionInfosDialog_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (DialogResult == DialogResult.Cancel)
            {
                return;
            }

            ConnectionInfosToDelete.Clear();
            ConnectionInfosListView.Items.Cast <ListViewItem>().Where(item => item.Checked).ToList().ForEach(item => ConnectionInfosToDelete.Add(item.Tag as IConnectionInfo));
            ConnectionInfosLastAccessDays = (int)SelectConnectionInfosNumericUpDown.Value;
            DeleteAutomaticallyOrphanedConnectionInfos = DeleteOrphanedInfosCheckBox.Checked;
        }
        /// <summary>
        /// Updates the control values based on the dialog saved properties.
        /// </summary>
        private void UpdateControlValues()
        {
            if (ConnectionInfosToDelete != null)
            {
                foreach (ListViewItem listViewItem in ConnectionInfosListView.Items)
                {
                    if (!(listViewItem.Tag is IConnectionInfo connectionInfo))
                    {
                        continue;
                    }

                    listViewItem.Checked = ConnectionInfosToDelete.Any(ci => ci.Equals(connectionInfo));
                }
            }

            SelectConnectionInfosNumericUpDown.Value = ConnectionInfosLastAccessDays;
            DeleteOrphanedInfosCheckBox.Checked      = DeleteAutomaticallyOrphanedConnectionInfos;
        }