Type Alias LPFNACCESSIBLEOBJECTFROMWINDOW 

pub type LPFNACCESSIBLEOBJECTFROMWINDOW = Option<unsafe extern "system" fn(hwnd: HWND, dwid: u32, riid: *const GUID, ppvobject: *mut *mut c_void) -> HRESULT>;

Aliased Type

pub enum LPFNACCESSIBLEOBJECTFROMWINDOW {
    None,
    Some(unsafe extern "system" fn(HWND, u32, *const GUID, *mut *mut c_void) -> HRESULT),
}

Variants

None

No value.

Some(unsafe extern "system" fn(HWND, u32, *const GUID, *mut *mut c_void) -> HRESULT)

Some value of type T.