public static bool GetGlobalProperty(this IVsBuildPropertyStorage propertyStorage, string propertyName, bool defaultValue)
        {
            var  value = propertyStorage.GetGlobalProperty(propertyName, defaultValue.ToString(CultureInfo.InvariantCulture).ToLowerInvariant());
            bool result;

            if (!bool.TryParse(value, out result))
            {
                return(defaultValue);
            }

            return(result);
        }