pub type DRIVERPROC = Option<unsafe extern "system" fn(param0: usize, param1: HDRVR, param2: u32, param3: LPARAM, param4: LPARAM) -> LRESULT>;

Aliased Type§

enum DRIVERPROC {
    None,
    Some(unsafe extern "system" fn(_: usize, _: HDRVR, _: u32, _: LPARAM, _: LPARAM) -> LRESULT),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(_: usize, _: HDRVR, _: u32, _: LPARAM, _: LPARAM) -> LRESULT)

Some value of type T.