Type Definition windows_sys::Win32::System::Mapi::LPMAPIFINDNEXT

pub type LPMAPIFINDNEXT = Option<unsafe extern "system" fn(lhsession: usize, uluiparam: usize, lpszmessagetype: PSTR, lpszseedmessageid: PSTR, flflags: u32, ulreserved: u32, lpszmessageid: PSTR) -> u32>;

Required features: ‘Win32_System_Mapi’, ‘Win32_Foundation’