Type Alias LPOPENSTREAMONFILE
pub type LPOPENSTREAMONFILE = Option<unsafe extern "system" fn(lpallocatebuffer: LPALLOCATEBUFFER, lpfreebuffer: LPFREEBUFFER, ulflags: u32, lpszfilename: *const i8, lpszprefix: *const i8, lppstream: OutRef<'_, IStream>) -> HRESULT>;
pub enum LPOPENSTREAMONFILE {
None,
Some(unsafe extern "system" fn(Option<unsafe extern "system" fn(u32, *mut *mut c_void) -> i32>, Option<unsafe extern "system" fn(*mut c_void) -> u32>, u32, *const i8, *const i8, OutRef<'_, IStream>) -> HRESULT),
}