Synopsis

PDX_MSGT gdx_UserAttributeDefine(long option, char *attribute_name, MDA_COUNT nfields, char *field_names[], char field_types[])

Purpose

Define user attribute.

Description

Define a new user attribute using the specified name and field definitions. If a user attribute with the specified name is already defined, the field definitions will be compared. If the field definitions are different an error will be returned, otherwise processing will continue.

Input

option

Not used

attribute_name

Name of user attribute

nfields

Number of fields in user attribute

field_names

Array of field names

field_types

Array of field types (GDX_USER_ATTRIBUTE_INTEGER_FIELD, GDX_USER_ATTRIBUTE_REAL_FIELD, GDX_USER_ATTRIBUTE_STRING_FIELD, GDX_USER_ATTRIBUTE_POINTER_FIELD, GDX_USER_ATTRIBUTE_ARRAY_FIELD)

Return

      GDX_NOERR
      GDX_INVALID_USER_ATTRIBUTE
      GDX_INVALID_FIELD_TYPE
      GDX_DUPLICATE_USER_ATTRIBUTE
      .fi