MIXERCONTROLDETAILS_UNSIGNED 结构 (mmeapi.h)

MIXERCONTROLDETAILS_UNSIGNED 结构检索和设置音频混音器控件的无符号类型控件属性。

语法

typedef struct tMIXERCONTROLDETAILS_UNSIGNED {
  DWORD dwValue;
} MIXERCONTROLDETAILS_UNSIGNED, *PMIXERCONTROLDETAILS_UNSIGNED, *LPMIXERCONTROLDETAILS_UNSIGNED;

成员

dwValue

单个项或通道的无符号整数值。 此值必须包含在无符号整数控件的 MIXERCONTROL 结构的 Bounds 结构成员中给定的边界内。

注解

以下标准控件类型使用此结构来检索和设置属性:

计量控件:

MIXERCONTROL_CONTROLTYPE_UNSIGNEDMETER

数字控件:

MIXERCONTROL_CONTROLTYPE_UNSIGNED

淡出器控件:

MIXERCONTROL_CONTROLTYPE_BASS

MIXERCONTROL_CONTROLTYPE_EQUALIZER

MIXERCONTROL_CONTROLTYPE_FADER

MIXERCONTROL_CONTROLTYPE_TREBLE

MIXERCONTROL_CONTROLTYPE_VOLUME

时间控件:

MIXERCONTROL_CONTROLTYPE_MICROTIME

MIXERCONTROL_CONTROLTYPE_MILLITIME

MIXERCONTROL_CONTROLTYPE_PERCENT

要求

   
最低受支持的客户端 Windows 2000 Professional [仅限桌面应用]
最低受支持的服务器 Windows 2000 Server [仅限桌面应用]
标头 mmeapi.h

另请参阅

音频混音器结构

音频混音器

MIXERCONTROL

mixerGetControlDetails

mixerSetControlDetails