pub type PWINBIO_LOCATE_SENSOR_CALLBACK = Option<unsafe extern "system" fn(locatecallbackcontext: *const c_void, operationstatus: HRESULT, unitid: u32)>;

Aliased Type§

enum PWINBIO_LOCATE_SENSOR_CALLBACK {
    None,
    Some(unsafe extern "system" fn(_: *const c_void, _: HRESULT, _: u32)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(_: *const c_void, _: HRESULT, _: u32))

Some value of type T.