Server.SGSserverForm.MovePlayer C# (CSharp) Méthode

        private Data MovePlayer(Data msgReceived)
        {
            player playermoved = null;
            foreach (player playerp in playerList)
            {
                if (playerp.playerid == msgReceived.playerID)
                {
                    playermoved = playerp;
                }

            }
            Data msgToSend = new Data();
            if (msgReceived.strMessage == "right")
            {
                playermoved.playerx = playermoved.playerx + 1;

            }
            if (msgReceived.strMessage == "left")
            {
                playermoved.playerx = playermoved.playerx - 1;

            }
            if (msgReceived.strMessage == "up")
            {
                playermoved.playery = playermoved.playery - 1;

            }
            if (msgReceived.strMessage == "down")
            {
                playermoved.playery = playermoved.playery + 1;

            }
            return msgToSend;
        }