public override bool Check()
{
LicenseEndDate = InstallDate;
LicenseEndDate.PlusDay(DayOffFree);
DataTime_My localDate = DataTime_My.LocalDateTime();
return(DataTime_My.CompareDates(LicenseEndDate, localDate) >= 0);
}
public static int CompareDates(DataTime_My firstDate, DataTime_My secondDate)
{
if (firstDate.Year > secondDate.Year)
{
return(1);
}
else if (firstDate.Year < secondDate.Year)
{
return(-1);
}
else
{ // years are equals
if (firstDate.Month > secondDate.Month)
{
return(1);
}
else if (firstDate.Month < secondDate.Month)
{
return(-1);
}
else
{ // month are equals
if (firstDate.Day > secondDate.Day)
{
return(1);
}
else if (firstDate.Day < secondDate.Day)
{
return(-1);
}
else
{
return(0);
}
}
}
return(-1);
}
public ComercialSoftware(string name, DevStudio dev, DataTime_My install, int freeDays) : base(name, dev)
{
InstallDate = install;
DayOffFree = freeDays;
}
public Shareware(string name, DevStudio dev, DataTime_My date, int days) : base(name, dev)
{
InstallDate = date;
DayOffFree = days;
}