public async Task OpenOrDownloadImages(HttpClient httpClient, [CanBeNull] ProgressDialogController controller,
double progressRange)
{
var perImageProgress = progressRange / Images.Count;
foreach (var image in Images.Keys.ToArray())
{
var path = SkillTree.AssetsFolderPath + image;
if (!File.Exists(path))
{
var stream = await httpClient.GetStreamAsync(Urlpath + image);
await FileEx.WriteStreamAsync(path, stream);
}
Images[image] =
ImageHelper.OnLoadBitmapImage(new Uri(path, UriKind.Absolute));
if (controller != null)
{
controller.IncreaseProgress(perImageProgress);
}
}
}
