strmbase: add beginnings of BaseWindow

[Alexandre Julliard]

Aric Stewart <aric at codeweavers.com> writes:

> +HRESULT WINAPI BaseWindow_Destroy(BaseWindow *This)
> +{
> +    if (This->hWnd)
> +        BaseWindowImpl_DoneWithWindow(This);
> +
> +    UnregisterClassW(This->pClassName, NULL);

You most likely don't want to unregister the class every time.

> +    wnd_class_registered = GetClassInfoW(This->hInstance, This->pClassName,
> +                               &winclass);
> +
> +    if (!wnd_class_registered)
> +    {

There shouldn't be any reason to do this.

-- 
Alexandre Julliard
julliard at winehq.org