ZicoresTradingPostNotifier.Helper.ColumnHelper.UpdateIndex C# (CSharp) Méthode

        private void UpdateIndex(String identifier, int index)
        {
            var newCol = Config.Columns[key].FirstOrDefault(x => x.Identifier == identifier);
            if (newCol != null)
            {
                newCol.NewIndex = index;
            }
            else
            {
                newCol = new ColumnInfo() { Identifier = identifier, NewIndex = index };
                Config.Columns[key].Add(newCol);
            }
        }