This method gets displayable information about the field.
HRESULT GetInfo( 
   FIELD_INFO_FIELDS dwFields,
   FIELD_INFO* pFieldInfo
);
int GetInfo(
   enum_FIELD_INFO_FIELDS dwFields,
   FIELD_INFO[] pFieldInfo
);
Parameters
dwFields
[in] A combination of FIELD_INFO_FIELDS constants that selects the information to be displayed. If the field represents a symbol, this is typically the symbol name and type.pFieldInfo
[out] Returns the information in the supplied FIELD_INFO structure.
Return Value
If successful, returns S_OK; otherwise, returns an error code.