System.Configuration.ProviderSettings.SetProperty C# (CSharp) Метод

        private bool SetProperty(string PropName,string value)
        {
            ConfigurationProperty SetPropName = null;
            if (_properties.Contains(PropName))
                SetPropName = _properties[PropName];
            else
            {
                SetPropName = new ConfigurationProperty(PropName, typeof(string), null);
                _properties.Add(SetPropName);
            }
            if (SetPropName != null)
            {
                base[SetPropName] = value;
//                Parameters[PropName] = value;
                return true;
            }
            else
                return false;
        }