ChessDemo.MainWindow.worker_RunWorkerCompleted C# (CSharp) Method

        void worker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
        {
            if (e.Result == null)
            {
                if (this.gameProvider.IsStalemate(this.myColor))
                    MessageBox.Show("You're in stalemate");
                else
                    MessageBox.Show("You're in checkmate");
            }
            else
            {
                var move = e.Result as Move;
                this.gameProvider.ProcessMove(move, Queem.Core.Color.Black);
                this.chessboardControl.AnimateLast();
                bool needPawnPromotion = (int)move.Type >= (int)MoveType.Promotion;

                if (needPawnPromotion)
                    this.chessboardControl.PromotePawn(Queem.Core.Color.Black, move.To, move.Type.GetPromotionFigure());

                this.chessboardControl.ChangeCurrentPlayer();
            }

            this.canSolverStart = false;
        }