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Asked: 2026-05-26T15:04:20+00:00

I have no idea why this code works fine: <ScrollViewer Height=674 HorizontalAlignment=Left VerticalAlignment=Top Width=480

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I have no idea why this code works fine:

<ScrollViewer Height="674" HorizontalAlignment="Left" VerticalAlignment="Top" Width="480" Margin="0,94,0,0" HorizontalScrollBarVisibility="Hidden" VerticalScrollBarVisibility="Hidden">
    <StackPanel>
        <Button Content="custom control" VerticalAlignment="Center" Width="480" Height="70" />
        <Button Content="custom control" VerticalAlignment="Center" Width="480" Height="70" />
        <Button Content="custom control" VerticalAlignment="Center" Width="480" Height="70" />
        <Button Content="custom control" VerticalAlignment="Center" Width="480" Height="70" />
        <Button Content="custom control" VerticalAlignment="Center" Width="480" Height="70" />
        <Button Content="custom control" VerticalAlignment="Center" Width="480" Height="70" />
        <Button Content="custom control" VerticalAlignment="Center" Width="480" Height="70" />
        <Button Content="custom control" VerticalAlignment="Center" Width="480" Height="70" />
        <Button Content="custom control" VerticalAlignment="Center" Width="480" Height="70" />
        <Button Content="custom control" VerticalAlignment="Center" Width="480" Height="70" />
        <Button Content="custom control" VerticalAlignment="Center" Width="480" Height="70" />
        <Button Content="custom control" VerticalAlignment="Center" Width="480" Height="70" />
        <Button Content="custom control" VerticalAlignment="Center" Width="480" Height="70" />
        <Button Content="custom control" VerticalAlignment="Center" Width="480" Height="70" />
        <Button Content="custom control" VerticalAlignment="Center" Width="480" Height="70" />
    </StackPanel>
</ScrollViewer>

and this doesn’t:

<ScrollViewer Height="674" HorizontalAlignment="Left" VerticalAlignment="Top" Width="480" Margin="0,94,0,0" HorizontalScrollBarVisibility="Hidden" VerticalScrollBarVisibility="Hidden">
    <ListBox Width="480" ItemsSource="{Binding ViewModel_ObservableCollection_Property_With_15_Items}">
        <ListBox.ItemTemplate>
            <DataTemplate>
                <Grid Height="85">
                    <Button Content="custom control" VerticalAlignment="Center" Width="480" Height="70" />
                </Grid>
            </DataTemplate>
        </ListBox.ItemTemplate>
    </ListBox>
</ScrollViewer>

A ListBox version is unable to show all items in ScrollViewer. What is the trick?

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1 Answer

  1. Editorial Team

    You should avoid using a ScrollViewer to wrap a ListBox as there is already a ScrollViewer inside the default ListBox style.

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