Type Alias LPFNDFMCALLBACK 

pub type LPFNDFMCALLBACK = Option<unsafe extern "system" fn(psf: Ref<'_, IShellFolder>, hwnd: HWND, pdtobj: Ref<'_, IDataObject>, umsg: u32, wparam: WPARAM, lparam: LPARAM) -> HRESULT>;

Aliased Type

pub enum LPFNDFMCALLBACK {
    None,
    Some(unsafe extern "system" fn(Ref<'_, IShellFolder>, HWND, Ref<'_, IDataObject>, u32, WPARAM, LPARAM) -> HRESULT),
}

Variants

None

No value.

Some(unsafe extern "system" fn(Ref<'_, IShellFolder>, HWND, Ref<'_, IDataObject>, u32, WPARAM, LPARAM) -> HRESULT)

Some value of type T.