Type Alias windows_sys::Win32::UI::Accessibility::UiaProviderCallback

pub type UiaProviderCallback = Option<unsafe extern "system" fn(hwnd: HWND, providertype: ProviderType) -> *mut SAFEARRAY>;

Required features: "Win32_Foundation", "Win32_System_Com"

Aliased Type

enum UiaProviderCallback {
    None,
    Some(unsafe extern "system" fn(_: isize, _: i32) -> *mut SAFEARRAY),
}

Variants

None

No value.

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

Some value of type T.