public void RemoveTeam()
        {
            AvailibleTeams.Add(SelectedTeamToRemove);
            SelectedTeams.Remove(SelectedTeamToRemove);

            NotifyOfPropertyChange(() => CanCreateTournament);
        }
        private void removeSelectedTeamButton_Click(object sender, RoutedEventArgs e)
        {
            TeamModel t = (TeamModel)tournamentTeamsListBox.SelectedItem;

            if (t != null)
            {
                SelectedTeams.Remove(t);
                AvailableTeams.Add(t);

                if (AvailableTeams.Count > 0)
                {
                    selectTeamDropDown.SelectedIndex = 0;
                }
            }
        }