public override void Annul()
{
if (!CheckIsNewFormat())
{
return;
}
string error;
string warning;
if (BusinessDomain.CanAnnulOperation(this, out error, out warning))
{
LoadDetails();
ClearDetails();
Commit(GetPriceGroup(-1, locationId), true);
}
else if (warning != null)
{
BusinessDomain.RequestOperationAnnul(this);
}
}