PowerArgs.CommandLineArgument.FindMatchingArgumentInRawParseData C# (CSharp) Méthode

        private void FindMatchingArgumentInRawParseData(ArgHook.HookContext context)
        {
            var match = from k in context.ParserData.ExplicitParameters.Keys where IsMatch(k) select k;

            if (match.Count() > 1)
            {
                throw new DuplicateArgException("Argument specified more than once: " + Aliases.First());
            }
            else if (match.Count() == 1)
            {
                var key = match.First();
                context.ArgumentValue = context.ParserData.ExplicitParameters[key];
                context.ParserData.ExplicitParameters.Remove(key);
            }
            else if (context.ParserData.ImplicitParameters.ContainsKey(Position))
            {
                var position = Position;
                context.ArgumentValue = context.ParserData.ImplicitParameters[position];
                context.ParserData.ImplicitParameters.Remove(position);
            }
            else
            {
                context.ArgumentValue = null;
            }
        }