Focusing an UIElement placed inside a ScrollViewer causing the UIElement to be scrolled into the view, can I disable this?

Question

Is it possible to disable this built-in behavior of the default ScrollViewer in the WPF framework? The scenario is the following:

I have an ScrollViewer with a StackPanel placed inside of it.
In that StackPanel there many UIElement (for example TextBox controls)
Focusing one of those TextBox controls (which is not currently visible) with the use of its Focus() method causes the TextBox to be brought in the view making it visible.

I want to disable this behavior but I am not sure how to approach this. Will I need to write my own ScrollViewer control or there is an attached property I am not aware of that disable this "ScrollIntoView" logic. Here is some code snippets of the scenario:

<Grid>
    <Grid.RowDefinitions>
        <RowDefinition Height="Auto"/>
        <RowDefinition Height="*"/>
    </Grid.RowDefinitions>
    <StackPanel>
        <Button Content="Focus Item 6" Margin="10" Click="Button_Click"/>
        <TextBox Text="Lost focus" Margin="10"/>
    </StackPanel>
   <ScrollViewer Grid.Row="1">
        <StackPanel>
            <TextBox Text="Item 1" Height="100" x:Name="Item1"/>
            <TextBox Text="Item 2" Height="100" x:Name="Item2"/>
            <TextBox Text="Item 3" Height="100" x:Name="Item3"/>
            <TextBox Text="Item 4" Height="100" x:Name="Item4"/>
            <TextBox Text="Item 5" Height="100" x:Name="Item5"/>
            <TextBox Text="Item 6" Height="100" x:Name="Item6"/>
        </StackPanel>
    </ScrollViewer>
</Grid>

private void Button_Click(object sender, RoutedEventArgs e)
{
    this.Item6.Focus();
}

Thank you for your help.

score 0 · Accepted Answer · edited May 23 '17 at 12:22

0

After a deeper searching trough the internet I found this answer. Thanks to AndrewS for his answer in that thread. Basically what I had to do is handle the RequestBringIntoView event of the Panel inside the ScrollViewer control or in my example the StackPanel.

edited May 23 '17 at 12:22

Community

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answered Oct 05 '15 at 11:05

Vladimir Amiorkov

2,652
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can you enlighten me on how did you handle the RequestBringtIntoVIew of the StackPanel by code? I'm still confused. – Red David Apr 19 '18 at 16:03
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It is an event, simply attach an event handler https://msdn.microsoft.com/en-us/library/system.windows.requestbringintovieweventhandler(v=vs.110).aspx – Vladimir Amiorkov Apr 19 '18 at 19:38

Focusing an UIElement placed inside a ScrollViewer causing the UIElement to be scrolled into the view, can I disable this?

1 Answers1