public bool Save()
{
if (IsOldValidReg && !IsValidActivationCode())
{
return(false);
}
Vars.SetVariable("UserName", UserName);
Vars.SetVariable("CompanyName", CompanyName);
Vars.SetVariable("Limitation", Limitation);
Vars.SetVariable("MonthLimitation", MonthLimitation);
Vars.SetVariable(EngineName + _RegistrationNo, ActivationCode);
dp.SetVariables(Vars);
return(IsValidActivationCode());
}