VOLUME_CONTROL structure (ntddcdrm.h)
The VOLUME_CONTROL structure is used in conjunction with the IOCTL_CDROM_GET_VOLUME request to retrieve volume values for up to four audio ports.
Syntax
typedef struct _VOLUME_CONTROL {
UCHAR PortVolume[4];
} VOLUME_CONTROL, *PVOLUME_CONTROL;
Members
PortVolume[4]
Pointer to an array of volume values, one for each of the ports, with a maximum of four ports.
Requirements
Requirement | Value |
---|---|
Header | ntddcdrm.h (include Ntddcdrm.h) |