System.ComponentModel.DebugTypeDescriptor.ComponentEntry.MemberList.AddMember C# (CSharp) Method

                public void AddMember(object member) {
                    if (member is MemberDescriptor) {
                        memberHash[((MemberDescriptor)member).Name] = member;
                    }
                    else if (member is Attribute) {
                        object id = ((Attribute)member).TypeId;
                        memberHash[id] = member;
                    }
                    else {
                        memberHash[member.GetType()] = member;
                    }
                }