protected static Restriction CreateOneOrTwoTimesRestrictions(ExDateTime?before, ExDateTime?after)
{
Restriction[] array = null;
if (before != null && after != null)
{
array = new Restriction[2];
}
if (before != null)
{
Restriction restriction = Condition.CreateDateTimePropertyRestriction(PropTag.MessageDeliveryTime, before.Value, Restriction.RelOp.LessThan);
if (after == null)
{
return(restriction);
}
array[0] = restriction;
}
if (after != null)
{
Restriction restriction2 = Condition.CreateDateTimePropertyRestriction(PropTag.MessageDeliveryTime, after.Value, Restriction.RelOp.GreaterThan);
if (before == null)
{
return(restriction2);
}
array[1] = restriction2;
}
return(Restriction.And(array));
}