hack for a read more block

readmore.xaml

<RichTextBlock>
            <Paragraph>
                <InlineUIContainer>
                    <StackPanel>
                        <TextBlock Text="Some text here" />
                        <HyperlinkButton x:Name="ReadMoreLink" Content="READ MORE" Click="HyperlinkButton_Click_1" />
                        <TextBlock x:Name="HiddenText" Text="Some other text" Visibility="Collapsed" />
                    </StackPanel>
                </InlineUIContainer>
            </Paragraph>
        </RichTextBlock>

readmore.xaml.cs

private void HyperlinkButton_Click_1(object sender, RoutedEventArgs e)
        {
            HiddenText.Visibility = Windows.UI.Xaml.Visibility.Visible;
            ReadMoreLink.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
        }