public Task <IBitmap> Load(Stream sourceStream, float?desiredWidth, float?desiredHeight)
{
var data = NSData.FromStream(sourceStream);
var tcs = new TaskCompletionSource <IBitmap>();
UIApplication.SharedApplication.InvokeOnMainThread(() => {
try {
#if UIKIT
tcs.TrySetResult(new CocoaBitmap(UIImage.LoadFromData(data)));
#else
tcs.TrySetResult(new CocoaBitmap(new UIImage(data)));
#endif
} catch (Exception ex) {
tcs.TrySetException(ex);
}
});
return(tcs.Task);
}