Type Alias HOOKPROC

pub type HOOKPROC = Option<unsafe extern "system" fn(code: i32, wparam: WPARAM, lparam: LPARAM) -> LRESULT>;

Aliased Type

pub enum HOOKPROC {
    None,
    Some(unsafe extern "system" fn(i32, WPARAM, LPARAM) -> LRESULT),
}

Variants

None

No value.

Some(unsafe extern "system" fn(i32, WPARAM, LPARAM) -> LRESULT)

Some value of type T.