GetImageSourceCompletedEventArgs CreateBitmapFromStream(Stream stream)
{
GetImageSourceCompletedEventArgs eventArgs;
try
{
// Create a BitmapImage from memory stream.
BitmapImage bitmapImage = new BitmapImage();
#if !SILVERLIGHT
bitmapImage.BeginInit();
bitmapImage.StreamSource = stream;
bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
bitmapImage.CreateOptions = BitmapCreateOptions.IgnoreColorProfile;
bitmapImage.EndInit();
bitmapImage.Freeze();
#else
bitmapImage.SetSource(stream);
#endif
eventArgs = new GetImageSourceCompletedEventArgs(bitmapImage, this);
}
catch (InvalidOperationException exception)
{
eventArgs = new GetImageSourceCompletedEventArgs(exception, false, this);
}
catch (Exception exception)
{
eventArgs = new GetImageSourceCompletedEventArgs(exception, false, this);
}
return(eventArgs);
}
void wc_RequestCompleted(object sender, RequestCompletedEventArgs e)
{
WebClientHelper wc = sender as WebClientHelper;
ContentType = wc.ContentType;
dispatcher.BeginInvoke(new Action(() =>
{
GetImageSourceCompletedEventArgs eventArgs;
if (e.Error != null)
{
eventArgs = new GetImageSourceCompletedEventArgs(e.Error, false, this);
}
else
{
try
{
eventArgs = CreateBitmapFromStream(e.Response);
}
finally
{
e.Response.Close();
}
}
GetImageSourceAsyncCallback callback = (GetImageSourceAsyncCallback)e.UserState;
callback(this, eventArgs);
}));
}
void wc_RequestCompleted(object sender, RequestCompletedEventArgs e)
{
WebClientHelper wc = sender as WebClientHelper;
ContentType = wc.ContentType;
dispatcher.BeginInvoke(new Action(()=>
{
GetImageSourceCompletedEventArgs eventArgs;
if (e.Error != null)
{
eventArgs = new GetImageSourceCompletedEventArgs(e.Error, false, this);
}
else
{
try
{
eventArgs = CreateBitmapFromStream(e.Response);
}
finally
{
e.Response.Close();
}
}
GetImageSourceAsyncCallback callback = (GetImageSourceAsyncCallback)e.UserState;
callback(this, eventArgs);
}));
}
GetImageSourceCompletedEventArgs CreateBitmapFromStream(Stream stream)
{
GetImageSourceCompletedEventArgs eventArgs;
try
{
// Create a BitmapImage from memory stream.
BitmapImage bitmapImage = new BitmapImage();
#if !SILVERLIGHT
bitmapImage.BeginInit();
bitmapImage.StreamSource = stream;
bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
bitmapImage.CreateOptions = BitmapCreateOptions.IgnoreColorProfile;
bitmapImage.EndInit();
bitmapImage.Freeze();
#else
bitmapImage.SetSource(stream);
#endif
eventArgs = new GetImageSourceCompletedEventArgs(bitmapImage, this);
}
catch (InvalidOperationException exception)
{
eventArgs = new GetImageSourceCompletedEventArgs(exception, false, this);
}
catch (Exception exception)
{
eventArgs = new GetImageSourceCompletedEventArgs(exception, false, this);
}
return eventArgs;
}