winapi::um::winnt

Type Alias PTP_WAIT_CALLBACK

Source 
pub type PTP_WAIT_CALLBACK = Option<unsafe extern "system" fn(Instance: PTP_CALLBACK_INSTANCE, Context: PVOID, Wait: PTP_WAIT, WaitResult: TP_WAIT_RESULT)>;

Aliased Type§

enum PTP_WAIT_CALLBACK {
    None,
    Some(unsafe extern "system" fn(_: *mut TP_CALLBACK_INSTANCE, _: *mut c_void, _: *mut TP_WAIT, _: u32)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(_: *mut TP_CALLBACK_INSTANCE, _: *mut c_void, _: *mut TP_WAIT, _: u32))

Some value of type T.