Type Definition windows_sys::Win32::UI::Shell::LPFNDFMCALLBACK

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

Required features: "Win32_UI_Shell", "Win32_Foundation", "Win32_System_Com"