// acxfuncenum.h

void ACX_IS_FIELD_AVAILABLE(
  StructName,
  FieldName
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-acxfuncenum-acx_is_field_available)

The ACX_IS_FIELD_AVAILABLE function enables you to query if the specified field is available in the specified ACX structure on the system.

The name of the ACX structure that contains the field specified in the FieldName parameter.

The name of the field to query in the ACX structure specified in the StructName parameter.

Returns TRUE if the field exists on the system, otherwise FALSE.

Minimum ACX version: 1.1

For more information about ACX versions, see ACX version overview.