MIXERCONTROLDETAILS_BOOLEAN structure

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

Syntax

typedef struct {
  LONG fValue;
} MIXERCONTROLDETAILS_BOOLEAN;

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).

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

Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Header	Mmsystem.h (include Windows.h)