protected IEnumerator LoadTextureFrombytes(string textname,Texture2D loadtex,Action<Texture2D> f,Action<byte[],Texture2D,Action<Texture2D>> SetTex)
    {
        var storageReference = GetReferenceFromImageName(textname);
        Debug.Log("Downloading");
        var task = storageReference.GetBytesAsync(
        0, new StorageProgress<DownloadState>(DisplayDownloadState),
        cancelToken.Token);
        yield return new WaitForTaskCompletion(this, task);
        if (!(task.IsFaulted || task.IsCanceled))
        {
            Debug.Log("finished downloading bytes");
            SetTex(task.Result, loadtex,f);
        }

    }