Alsing.SourceCode.Row.FindLeftWordByPatternList C# (CSharp) Метод

        public Word FindLeftWordByPatternList(PatternList PatternList, Word StartWord, bool IgnoreStartWord)
        {
            int i = StartWord.Index;
            if (IgnoreStartWord)
                i--;
            while (i >= 0)
            {
                Word w = this[i];
                if (w.Pattern != null)
                {
                    if (w.Pattern.Parent != null)
                    {
                        if (w.Pattern.Parent == PatternList && w.Type != WordType.Space && w.Type != WordType.Tab)
                        {
                            return w;
                        }
                    }
                }
                i--;
            }
            return null;
        }