Type Alias windows_sys::Win32::UI::Accessibility::LPFNLRESULTFROMOBJECT

pub type LPFNLRESULTFROMOBJECT = Option<unsafe extern "system" fn(riid: *const GUID, wparam: WPARAM, punk: IUnknown) -> LRESULT>;

Required features: "Win32_Foundation"

Aliased Type

enum LPFNLRESULTFROMOBJECT {
    None,
    Some(unsafe extern "system" fn(_: *const GUID, _: usize, _: *mut c_void) -> isize),
}

Variants

None

No value.

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

Some value of type T.