Type Alias windows::Win32::UI::Shell::LPFNDFMCALLBACK

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

Aliased Type

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

Variants

None

No value.

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

Some value of type T.