private void DisplayKeys(Group group)
		{
			_lvwKeys.BeginUpdate();

			_lvwKeys.Items.Clear();

			// The if clause handles the last group/node being deleted.
			if (group != null)
			{
				foreach (Key key in group.Keys)
				{
					AddListItem(key);
				}
			}

			AutoSizeColumns();
			_lvwKeys.EndUpdate();

			// Recalculate Selected Keys from the Selected List view Items
			ContextMgr.SelectedKeys.Clear();
		}
		private void OnGroupSelected(Group group)
		{
			DisplayKeys(group);

			_rtbKeyDetails.Clear();
			_rtbKeyDetails.Enabled = false;
		}