pub type SENDASYNCPROC = Option<unsafe extern "system" fn(param0: HWND, param1: u32, param2: usize, param3: LRESULT)>;

Aliased Type§

enum SENDASYNCPROC {
    None,
    Some(unsafe extern "system" fn(_: HWND, _: u32, _: usize, _: LRESULT)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(_: HWND, _: u32, _: usize, _: LRESULT))

Some value of type T.