static int _compare(FbxTime a, FbxTime b)
{
if (object.ReferenceEquals(a, b))
{
return(0);
}
if (object.ReferenceEquals(a, null))
{
return(-1);
}
if (object.ReferenceEquals(b, null))
{
return(1);
}
return(a.CompareTo(b));
}