Function CreateWindowExW
pub unsafe fn CreateWindowExW<P1, P2>(
dwexstyle: WINDOW_EX_STYLE,
lpclassname: P1,
lpwindowname: P2,
dwstyle: WINDOW_STYLE,
x: i32,
y: i32,
nwidth: i32,
nheight: i32,
hwndparent: Option<HWND>,
hmenu: Option<HMENU>,
hinstance: Option<HINSTANCE>,
lpparam: Option<*const c_void>,
) -> Result<HWND>where
P1: Param<PCWSTR>,
P2: Param<PCWSTR>,