user32_sys::CreateWindowExW

pub unsafe extern "system" fn CreateWindowExW(dwExStyle: DWORD, lpClassName: LPCWSTR, lpWindowName: LPCWSTR, dwStyle: DWORD, x: c_int, y: c_int, nWidth: c_int, nHeight: c_int, hWndParent: HWND, hMenu: HMENU, hInstance: HINSTANCE, lpParam: LPVOID) -> HWND