public override int GetHashCode()
{
// We are fortunate enough to have 3 interesting points here. If you xor an even number of snapshot point hashcodes
// together, the snapshot component gets cancelled out.
// However, the common case is that ActivePoint and InsertionPoint are exactly equal, so we need to do something to change that.
// Invert the bytes in InsertionPoint.GetHashCode().
var insertionHash = (uint)InsertionPoint.GetHashCode();
insertionHash = (((0x0000FFFF & insertionHash) << 16) | ((0xFFFF0000 & insertionHash) >> 16));
int pointHashes = AnchorPoint.GetHashCode() ^ ActivePoint.GetHashCode() ^ (int)insertionHash;
// InsertionPointAffinity.GetHashCode() returns either 0 or 1 which can get stomped on by the rest of the hash codes.
// Generate more interesting hash code values below:
int affinityHash = InsertionPointAffinity == PositionAffinity.Predecessor
? affinityHash = 04122013
: affinityHash = 10172014;
return(pointHashes ^ affinityHash);
}