HasDouble
bool HasDouble(const char *, int32 n = 0) const;
bool HasDouble(const char* ekey) const;
bool HasDouble(const char* name, int32 n = 0) const;
if (GetJobData()->Settings().HasDouble(key))
ASSERT(HasDouble(key));
if (HasDouble(key))
if (fJobData->Settings().HasDouble(key))
if (HasDouble(name))
if (HasDouble(name))