Type Alias CAPERRORCALLBACKA
pub type CAPERRORCALLBACKA = Option<unsafe extern "system" fn(hwnd: HWND, nid: i32, lpsz: PCSTR) -> LRESULT>;Aliased Type§
pub enum CAPERRORCALLBACKA {
None,
Some(unsafe extern "system" fn(HWND, i32, PCSTR) -> LRESULT),
}