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 |