acxrequest.h header

The acxrequest header is used by the ACX audio class extensions.

For additional information on working with ACX, see the following topics.

acxrequest.h contains the following programming interfaces:

Functions

 
ACX_REQUEST_PARAMETERS_INIT

The ACX_REQUEST_PARAMETERS_INIT function initializes ACX_REQUEST_PARAMETERS struct.
ACX_REQUEST_PARAMETERS_INIT_METHOD

The ACX_REQUEST_PARAMETERS_INIT_METHOD initializes an ACX_REQUEST_PARAMETERS struct with ACX method parameters.
ACX_REQUEST_PARAMETERS_INIT_PROPERTY

The ACX_REQUEST_PARAMETERS_INIT_PROPERTY initializes an ACX_REQUEST_PARAMETERS struct with ACX property parameters.
AcxRequestGetParameters

The AcxRequestGetParameters function gets ACX request parameters from a WDFREQUEST.

Callback functions

 
EVT_ACX_OBJECT_PREPROCESS_REQUEST

The EVT_ACX_OBJECT_PREPROCESS_REQUEST callback is used by the driver to preprocess I/O WDFREQUESTs.
EVT_ACX_OBJECT_PROCESS_EVENT_REQUEST

The EVT_ACX_OBJECT_PROCESS_EVENT_REQUEST callback is used by the driver to handle event notifications.
EVT_ACX_OBJECT_PROCESS_REQUEST

The EVT_ACX_OBJECT_PROCESS_REQUEST callback is used by the driver to handle a WDFREQUEST.

Structures

 
ACX_EVENT_ITEM

The ACX_EVENT_ITEM structure describes an event item that is the target of an ACX request.
ACX_METHOD_ITEM

The ACX_METHOD_ITEM structure describes a method item that is the target of an ACX request.
ACX_PROPERTY_ITEM

The ACX_PROPERTY_ITEM structure describes a property item that is the target of an ACX request.
ACX_REQUEST_PARAMETERS

The ACX_REQUEST_PARAMETERS structure receives parameters that are associated with an I/O ACX request.

Enumerations

 
ACX_EVENT_VERB

The ACX_EVENT_VERB enumeration describes the type of verb operations supported on ACX events.
ACX_ITEM_TYPE

The ACX_ITEM_TYPE enumeration describes the possible types of items.
ACX_METHOD_VERB

The ACX_METHOD_VERB structure describes the type of verb operations supported on ACX methods.
ACX_PROPERTY_VERB

The ACX_PROPERTY_VERB enumeration describes the type of verb operations supported on ACX properties.
ACX_REQUEST_TYPE

The ACX_REQUEST_TYPE enumeration describes the possible types of ACX requests.