private async Task <BitmapImage> DownloadImageUrl(string url)
{
if (!string.IsNullOrEmpty(url))
{
if (!ChatImageControl.bitmapImages.ContainsKey(url))
{
BitmapImage bitmap = new BitmapImage();
using (WebClient client = new WebClient())
{
var bytes = await Task.Run <byte[]>(async() =>
{
try
{
return(await client.DownloadDataTaskAsync(url));
}
catch (Exception ex)
{
Logger.Log("Failed to download image: " + url);
throw ex;
}
});
bitmap = WindowsImageService.Load(bytes);
}
ChatImageControl.bitmapImages[url] = bitmap;
}
return(ChatImageControl.bitmapImages[url]);
}
return(null);
}
public async Task <BitmapImage> SetUserAvatarUrl(string url)
{
BitmapImage bitmap = null;
using (WebClient client = new WebClient())
{
var bytes = await Task.Run <byte[]>((Func <Task <byte[]> >)(async() => { return(await client.DownloadDataTaskAsync((string)url)); }));
bitmap = WindowsImageService.Load(bytes);
}
this.ProfileAvatarImage.ImageSource = bitmap;
return(bitmap);
}
private async Task <BitmapImage> DownloadImageUrl(string url)
{
if (!ChatImageControl.bitmapImages.ContainsKey(url))
{
BitmapImage bitmap = new BitmapImage();
using (WebClient client = new WebClient())
{
var bytes = await Task.Run <byte[]>(async() => { return(await client.DownloadDataTaskAsync(url)); });
bitmap = WindowsImageService.Load(bytes);
}
ChatImageControl.bitmapImages[url] = bitmap;
}
return(ChatImageControl.bitmapImages[url]);
}