private void osbideCommandBarEvent_Click(object commandBarControl, ref bool handled, ref bool cancelDefault)
        {
            var listItem = new ErrorListItem();
            var dte      = (DTE2)GetService(typeof(SDTE));

            if (dte != null)
            {
                var selectedItems = (Array)dte.ToolWindows.ErrorList.SelectedItems;
                if (selectedItems != null)
                {
                    foreach (ErrorItem item in selectedItems)
                    {
                        listItem = TypeConverters.ErrorItemToErrorListItem(item);
                    }
                }
            }

            if (string.IsNullOrEmpty(listItem.CriticalErrorName) == false)
            {
                var url = string.Format("{0}?errorTypeStr={1}&component={2}", StringConstants.ActivityFeedUrl, listItem.CriticalErrorName, VsComponent.FeedOverview);
                OpenActivityFeedWindow(url);
            }
            else
            {
                MessageBox.Show(@"OSBLE+ only supports search for errors");
            }
        }