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

Required features: "Win32_Foundation"

Aliased Type§

enum LPACMDRIVERPROC {
    None,
    Some(unsafe extern "system" fn(_: usize, _: isize, _: u32, _: isize, _: isize) -> isize),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(_: usize, _: isize, _: u32, _: isize, _: isize) -> isize)

Some value of type T.