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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;

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

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Mmsystem.h (include Windows.h)

See also

Audio Mixers
Audio Mixer Structures
Audio Mixers

 

 

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