when sliding CarouselView, the previous images disappears

hi all ,

i am using CarouselView with image template, but I am sliding images forwardly everything is ok but when I am sliding backward the previous images are shown in white

this is my xaml code

what am I doing wrong ?

   <CarouselView x:Name="TheCarousel"
                          ItemsSource="{Binding ImageSources}"
                           >
                <CarouselView.ItemTemplate>
                    <DataTemplate>
                        <Image Source="{Binding .}">
                        </Image>
                    </DataTemplate>
                </CarouselView.ItemTemplate>
            </CarouselView>