System.Collections.Specialized.NameValueCollection.GetKey C# (CSharp) Method

        public virtual String GetKey(int index)
        {
            return BaseGetKey(index);
        }

        public static BootstrapperOptions ParseArgumentsAndConfigurations(IEnumerable<string> arguments, NameValueCollection appSettings, IDictionary envVariables)
        {
            var options = new BootstrapperOptions();

            var commandArgs = arguments.ToList();

            if (commandArgs.Contains(CommandArgs.PreferNuget) || appSettings.GetKey(AppSettingKeys.PreferNugetAppSettingsKey).ToLowerSafe() == "true")
            {
                options.PreferNuget = true;
                commandArgs.Remove(CommandArgs.PreferNuget);
            }
            if (commandArgs.Contains(CommandArgs.ForceNuget) || appSettings.GetKey(AppSettingKeys.ForceNugetAppSettingsKey).ToLowerSafe() == "true")
            {
                options.ForceNuget = true;
                commandArgs.Remove(CommandArgs.ForceNuget);
            }
            if (commandArgs.Contains(CommandArgs.Silent))
            {
                options.Silent = true;
                commandArgs.Remove(CommandArgs.Silent);
            }
            if (commandArgs.Contains(CommandArgs.Help))
            {
                options.ShowHelp = true;
                commandArgs.Remove(CommandArgs.Help);
            }

            commandArgs = EvaluateDownloadOptions(options.DownloadArguments, commandArgs, appSettings, envVariables).ToList();

            options.UnprocessedCommandArgs = commandArgs;
            return options;
        }