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MIXERCONTROLDETAILS_BOOLEAN

The MIXERCONTROLDETAILS_BOOLEAN structure retrieves and sets Boolean control properties for an audio mixer control.

typedef struct { 
    LONG fValue; 
} MIXERCONTROLDETAILS_BOOLEAN; 
 

Members

fValue

Boolean value for a single item or channel. This value is assumed to be zero for a FALSE state (such as off or disabled), and nonzero for a TRUE state (such as on or enabled).

Remarks

The following standard control types use this structure for retrieving and setting properties.

Meter controls:

MIXERCONTROL_CONTROLTYPE_BOOLEANMETER

Switch controls:

MIXERCONTROL_CONTROLTYPE_BOOLEAN
MIXERCONTROL_CONTROLTYPE_BUTTON
MIXERCONTROL_CONTROLTYPE_LOUDNESS
MIXERCONTROL_CONTROLTYPE_MONO
MIXERCONTROL_CONTROLTYPE_MUTE
MIXERCONTROL_CONTROLTYPE_ONOFF
MIXERCONTROL_CONTROLTYPE_STEREOENH

List controls:

MIXERCONTROL_CONTROLTYPE_MIXER
MIXERCONTROL_CONTROLTYPE_MULTIPLESELECT
MIXERCONTROL_CONTROLTYPE_MUX
MIXERCONTROL_CONTROLTYPE_SINGLESELECT

Requirements

**  Windows NT/2000/XP:** Included in Windows NT 3.1 and later.
**  Windows 95/98/Me:** Included in Windows 95 and later.
**  Header:** Declared in Mmsystem.h; include Windows.h.

See Also

Audio Mixers, Audio Mixer Structures