GetDaysCodeValue
function GetDaysCodeValue (const Key : TKey; const Code : TCode) : LongInt;

GetDaysCodeValue returns the expiration date stored in the Code.

Key must be the same key that was used to create the code or the code is considered invalid. If the code is invalid, 0 is returned.

This routine is defined in the OnGuard unit. (as of 1.15 this routine has been moved to the OgUtil unit)