Type Definition windows_sys::Win32::System::Mapi::LPMAPISENDMAILW

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

Required features: "Win32_System_Mapi"