Type Alias SENDASYNCPROC
pub type SENDASYNCPROC = Option<unsafe extern "system" fn(param0: HWND, param1: u32, param2: usize, param3: LRESULT)>;Aliased Type§
pub enum SENDASYNCPROC {
None,
Some(unsafe extern "system" fn(*mut c_void, u32, usize, isize)),
}