Type Alias windows::Win32::Media::Multimedia::CAPERRORCALLBACKW

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

Aliased Type

enum CAPERRORCALLBACKW {
    None,
    Some(unsafe extern "system" fn(_: HWND, _: i32, _: PCWSTR) -> LRESULT),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: HWND, _: i32, _: PCWSTR) -> LRESULT)

Some value of type T.