System.Attribute.GetCustomAttributes C# (CSharp) Method

        public static Attribute[] GetCustomAttributes(ParameterInfo element, Type attributeType, bool inherit)
        {
            if (element == null)
                throw new ArgumentNullException("element");

            if (attributeType == null)
                throw new ArgumentNullException("attributeType");
            
            if (!attributeType.IsSubclassOf(typeof(Attribute)) && attributeType != typeof(Attribute))
                throw new ArgumentException(Environment.GetResourceString("Argument_MustHaveAttributeBaseClass"));

            MemberInfo member = element.Member;

            if (member.MemberType == MemberTypes.Method && inherit) 
                return InternalParamGetCustomAttributes((MethodInfo)member, element, attributeType, inherit) as Attribute[];

            return element.GetCustomAttributes(attributeType, inherit) as Attribute[];
        }

 public static Attribute[] GetCustomAttributes(Assembly element)
 {
     return(Attribute.GetCustomAttributes(element, true));
 }