public override bool Equals(object obj)
{
if (object.ReferenceEquals(this, obj))
{
return(true);
}
if (!(obj is TaxSummary))
{
return(false);
}
TaxSummary e = (TaxSummary)obj;
return(this.TaxCode == e.TaxCode &&
this.TaxAmount == e.TaxAmount);
}
private TaxSummary GetTaxSummary(string taxCode)
{
if (_taxes.ContainsKey(taxCode))
return _taxes[taxCode];
TaxSummary taxSummary = new TaxSummary { TaxCode = taxCode, TaxAmount =0 };
_taxes.Add(taxCode, taxSummary);
return taxSummary;
}