GetControlValueDescriptions
Gets value descriptions used by the selector control.
Declaration
size_t GetControlValueDescriptions(IOUserAudioSelectorValueDescription *out_control_value_descriptions, size_t in_num_value_descriptions);Parameters
- out_control_value_descriptions:
A pointer to a buffer of type Iouseraudioselectorvaluedescription, with a size of
in_num_value_descriptions. On return, this buffer contains the value descriptions. - in_num_value_descriptions:
The number of descriptions in
out_control_value_descriptions.
Return Value
The number of values populated in the out_control_value_descriptions buffer.
Discussion
This method synchronizes by using the work queue created by the object.