Type Alias windows_sys::Win32::Media::Multimedia::CAPERRORCALLBACKA

pub type CAPERRORCALLBACKA = Option<unsafe extern "system" fn(hwnd: HWND, nid: i32, lpsz: PCSTR) -> LRESULT>;

Aliased Type

enum CAPERRORCALLBACKA {
    None,
    Some(unsafe extern "system" fn(_: *mut c_void, _: i32, _: *const u8) -> isize),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: *mut c_void, _: i32, _: *const u8) -> isize)

Some value of type T.