BIntegerField
class BIntegerField : public BField
BIntegerField(int32 number);
BIntegerField::BIntegerField(int32 number)
BIntegerField::SetValue(int32 value)
BIntegerField::Value()
fNumberFormat.Format(string, (int32)((BIntegerField*)field)->Value());
return (((BIntegerField*)field1)->Value() - ((BIntegerField*)field2)->Value());
double fieldValue = ((BIntegerField*)field)->Value();