private void showSingleCheckInOnMap()
        {
            GMapOverlay mapMarkers = new GMapOverlay("markers");

            CheckInLinkLabel.Text = string.Empty;
            CurrentCheckInPictureBox.InitialImage = null;

            if (CheckInsListBox.SelectedItems.Count == 1)
            {
                try
                {
                    CheckInWrapper curCheckIn = CheckInsListBox.SelectedItem as CheckInWrapper;

                    mapMarkers.Markers.Add(curCheckIn.CheckInMarkerOnMap);
                    CheckInLinkLabel.Text = (curCheckIn.Link != null) ? curCheckIn.Link : string.Empty;
                    if (curCheckIn.PhotoUrl != null)
                    {
                        CurrentCheckInPictureBox.LoadAsync(curCheckIn.PhotoUrl);
                    }
                    else
                    {
                        CurrentCheckInPictureBox.Image = null; // delete the last picture
                    }
                }
                catch (Exception ex)
                {
                }
            }

            CheckInGMapControl.Overlays.Add(mapMarkers);
        }
        private void updateInfo()
        {
            string eventName = string.Empty;

            CheckInsListBox.DisplayMember = "Name";
            foreach (Checkin curCheckIn in m_UserCheckIns)
            {
                try
                {
                    eventName = (curCheckIn.Place.Name == null) ? "[No Name]" : curCheckIn.Place.Name;
                    PointLatLng    location       = new PointLatLng((double)curCheckIn.Place.Location.Latitude, (double)curCheckIn.Place.Location.Longitude);
                    CheckInWrapper checkInWrapper = new CheckInWrapper(eventName, location, curCheckIn.PictureURL, curCheckIn.Link, (DateTime)curCheckIn.CreatedTime);

                    r_CheckInsOnForm.Add(checkInWrapper);
                    CheckInsListBox.Items.Add(checkInWrapper);
                }
                catch (Exception ex)
                {
                }
            }

            showAllCheckInsOnMap();
            CheckInGMapControl.Zoom = 11.5;
        }