private void Image_Loaded(object sender, RoutedEventArgs e)
{
Image image = (Image)sender;
ItemModel item = (ItemModel)image.DataContext;
if (!dic_image.Keys.Contains(item.Id))
{
dic_image.Add(item.Id, image);
client.GetImageByItemIdAsync(item.Id);
}
else
{
image.Source = wb_Dic[item.Id];
}
}