pub type LPMAPISENDMAILW = Option<unsafe extern "system" fn(lhsession: usize, uluiparam: usize, lpmessage: *const MapiMessageW, flflags: u32, ulreserved: u32) -> u32>;

Aliased Type§

enum LPMAPISENDMAILW {
    None,
    Some(unsafe extern "system" fn(_: usize, _: usize, _: *const MapiMessageW, _: u32, _: u32) -> u32),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(_: usize, _: usize, _: *const MapiMessageW, _: u32, _: u32) -> u32)

Some value of type T.