private void RaiseNewSecurity(Security security)
{
var arr = new[] { security };
_added?.Invoke(arr);
NewSecurity?.Invoke(security);
NewSecurities?.Invoke(arr);
}
private void RealTraderOnNewSecurities(IEnumerable <Security> securities)
{
NewSecurities?.Invoke(this, new SecuritiesEventArgs(securities));
}