protected override async void OnElementChanged(ElementChangedEventArgs<Image> e)
{
base.OnElementChanged(e);
var scaleImageView = new ScaleImageView(Context, null);
var bitmap = await GetBitmapAsync(e.NewElement.Source);
scaleImageView.SetImageBitmap(bitmap);
SetNativeControl(scaleImageView);
//if (e.NewElement == null)
//{
// this.GenericMotion -= HandleGenericMotion;
// this.Touch -= HandleTouch;
//}
//if (e.OldElement == null)
//{
// this.GenericMotion += HandleGenericMotion;
// this.Touch += HandleTouch;
//}
}
public ScaleImageViewGestureDetector(ScaleImageView imageView)
{
m_ScaleImageView = imageView;
}