Type Alias windows_sys::Win32::System::Mapi::LPMAPISENDMAIL

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

Aliased Type

enum LPMAPISENDMAIL {
    None,
    Some(unsafe extern "system" fn(_: usize, _: usize, _: *mut MapiMessage, _: u32, _: u32) -> u32),
}

Variants

None

No value.

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

Some value of type T.