Type Alias LPTIMECALLBACK
pub type LPTIMECALLBACK = Option<unsafe extern "system" fn(utimerid: u32, umsg: u32, dwuser: usize, dw1: usize, dw2: usize)>;Aliased Type§
pub enum LPTIMECALLBACK {
None,
Some(unsafe extern "system" fn(u32, u32, usize, usize, usize)),
}