The PtgCy structure specifies a currency value.
PtgCy = double-value "," currency "," string-value token-separator "111"
double-value is a double precision floating-point number.
currency is an unsigned integer that specifies the currency. It MUST be a value defined by vCurrencyID.
string-value specifies the formatting information. It MUST be a numeric format string, as described in [MSDN-FormattingTypes].