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