public static CriteriaOperator ReplaceFilterCriteria(CriteriaOperator source, CriteriaOperator prevOperand, CriteriaOperator newOperand)
{
GroupOperator groupOperand = source as GroupOperator;
if (ReferenceEquals(groupOperand, null))
{
return(newOperand);
}
GroupOperator clone = groupOperand.Clone();
clone.Operands.Remove(prevOperand);
if (clone.Equals(source))
{
return(newOperand);
}
clone.Operands.Add(newOperand);
return(clone);
}