public void GetNumberOfUploadedImage()
{
callback = OperationContext.Current.GetCallbackChannel
<ICallbackHandler>();
Console.WriteLine("Znajdowanie elementów- start");
Thread.Sleep(4 * 1000); // tu 4 sekundy (40000 ms)
int sum = 0;
for (int i = 0; i < images.Count; i++)
{
if (images[i].IsUploaded == true)
{
sum++;
}
}
Console.WriteLine("Znajdowanie elementów - stop");
result = sum;
callback.ZwrotGetNumberOfUploadedImage(result);
}