public ImageSource GetImageSourceAsync(string filePath, ImageSource _default, Action <ImageSource> onLoaded)
{
if (File.Exists(filePath) is false)
{
return(_default);
}
void DecodeAction()
{
var thumnbnailServis = new ThumbnailService(filePath);
if (thumnbnailServis.ExistsThumnail is false)
{
CreateThumbnail(filePath);
}
Application.Current.Dispatcher.InvokeAsync(() =>
{
onLoaded(GetImageSource(filePath));
}, DispatcherPriority.ContextIdle);
}
if (UsingSingleThread)
{
DecodeAction();
}
else if (_staWorkerManager != null)
{
_staWorkerManager.AddJob(DecodeAction);
}
else
{
TaskEx.RunOnSta(DecodeAction);
}
return(_default);
}