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4/8/2010

This 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

Header mmsystem.h
Windows Embedded CE Windows CE 2.12 and later
Windows Mobile Windows Mobile Version 5.0 and later
Note Version 2.12 requires DXPAK 1.0 or later

See Also