async void OnSourcePropertyChanging(ImageSource oldvalue, ImageSource newvalue)
{
if (oldvalue == null)
{
return;
}
oldvalue.SourceChanged -= OnSourceChanged;
await oldvalue.Cancel();
}
async static void CancelOldValue(ImageSource oldvalue)
{
try
{
await oldvalue.Cancel();
}
catch (ObjectDisposedException)
{
// Workaround bugzilla 37792 https://bugzilla.xamarin.com/show_bug.cgi?id=37792
}
}
public ImageCell()
{
Disappearing += (sender, e) =>
{
if (ImageSource == null)
{
return;
}
ImageSource.Cancel();
};
}
public static async void ImageSourceChanging(ImageSource oldImageSource)
{
if (oldImageSource == null)
{
return;
}
try
{
await oldImageSource.Cancel().ConfigureAwait(false);
}
catch (ObjectDisposedException)
{
// Workaround bugzilla 37792 https://bugzilla.xamarin.com/show_bug.cgi?id=37792
}
}
async void OnSourcePropertyChanging(ImageSource oldvalue, ImageSource newvalue)
{
if (oldvalue == null)
{
return;
}
oldvalue.SourceChanged -= OnSourceChanged;
try
{
await oldvalue.Cancel();
}
catch (ObjectDisposedException)
{
// Workaround bugzilla 37792 https://bugzilla.xamarin.com/show_bug.cgi?id=37792
}
}
