pub unsafe fn CreateWindowExA<P0, P1, P2, P3, P4>(
    dwexstyle: WINDOW_EX_STYLE,
    lpclassname: P0,
    lpwindowname: P1,
    dwstyle: WINDOW_STYLE,
    x: i32,
    y: i32,
    nwidth: i32,
    nheight: i32,
    hwndparent: P2,
    hmenu: P3,
    hinstance: P4,
    lpparam: Option<*const c_void>
) -> HWND
where P0: IntoParam<PCSTR>, P1: IntoParam<PCSTR>, P2: IntoParam<HWND>, P3: IntoParam<HMENU>, P4: IntoParam<HINSTANCE>,