MIXERCONTROLDETAILS_BOOLEAN structure (mmeapi.h)
The MIXERCONTROLDETAILS_BOOLEAN structure retrieves and sets Boolean control properties for an audio mixer control
Syntax
typedef struct tMIXERCONTROLDETAILS_BOOLEAN {
LONG fValue;
} MIXERCONTROLDETAILS_BOOLEAN, *PMIXERCONTROLDETAILS_BOOLEAN, *LPMIXERCONTROLDETAILS_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
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Header | mmeapi.h |