private void mniGridDeletePlayer_Click(object sender, RoutedEventArgs e)
{
Player playerToDel = this.dgPointsTable.SelectedItem as Player;
if (playerToDel == null) return;
if (this.tournament.Rounds.Count != 0)
{
if (PMW.Show(StringTable.MainWindow_PlayerDeactivate, MessageBoxButton.YesNo) != MessageBoxResult.Yes) return;
}
this.tournament.RemovePlayer(playerToDel);
this.dgPointsTable.Items.Refresh();
}