pub unsafe fn CreateDialogIndirectParamW(
hinstance: Option<HINSTANCE>,
lptemplate: *const DLGTEMPLATE,
hwndparent: Option<HWND>,
lpdialogfunc: Option<unsafe extern "system" fn(HWND, u32, WPARAM, LPARAM) -> isize>,
dwinitparam: LPARAM,
) -> Result<HWND, Error>