private static int ComparePeptideTimes(GraphPointData p1, GraphPointData p2)
{
if (ReferenceEquals(p1.NodePep, p2.NodePep))
{
return(Peptide.CompareGroups(p1.NodeGroup, p2.NodeGroup));
}
return(Comparer.Default.Compare(p1.TimePepCharge, p2.TimePepCharge));
}