public override int GetHashCode() { unchecked { var hashCode = (Large != null ? Large.GetHashCode() : 0); hashCode = (hashCode * 397) ^ (Medium != null ? Medium.GetHashCode() : 0); hashCode = (hashCode * 397) ^ (Original != null ? Original.GetHashCode() : 0); hashCode = (hashCode * 397) ^ (Small != null ? Small.GetHashCode() : 0); return(hashCode); } }