Type Alias windows::Win32::Media::Audio::Apo::FNAPONOTIFICATIONCALLBACK

pub type FNAPONOTIFICATIONCALLBACK = Option<unsafe extern "system" fn(pproperties: *mut APO_REG_PROPERTIES, pvrefdata: *mut c_void) -> HRESULT>;

Aliased Type

enum FNAPONOTIFICATIONCALLBACK {
    None,
    Some(unsafe extern "system" fn(_: *mut APO_REG_PROPERTIES, _: *mut c_void) -> HRESULT),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: *mut APO_REG_PROPERTIES, _: *mut c_void) -> HRESULT)

Some value of type T.