public int Compare(object x, object y)
{
TreeNode tx = x as TreeNode;
TreeNode ty = y as TreeNode;
BaseScore scx = tx.Tag as BaseScore;
BaseScore scy = ty.Tag as BaseScore;
if (scx == null && scy == null)
{
return(0);
}
if (scx == null)
{
return(-1);
}
if (scy == null)
{
return(1);
}
return(scx.CompareToNoLoc(scy));
}