UWP XAML/C# ScrollBar.

VoyTec 671 Reputation points
2022-11-17T18:34:18.63+00:00

How to make ScrollBar working? It's empty for me and not showing. How to make lower screen?

<ScrollBar x:Name="scrollBar" HorizontalAlignment="Left" Margin="1254,10,0,0" VerticalAlignment="Top" Height="806" Width="25" Foreground="#FF221760" Background="#FF931C1C" Maximum="90" SmallChange="1" Value="10" ViewportSize="10" LargeChange="10"/>  
Universal Windows Platform (UWP)
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Accepted answer
  1. Roy Li - MSFT 32,731 Reputation points Microsoft Vendor
    2022-11-24T10:33:56.663+00:00

    Hello,

    Welcome to Microsoft Q&A!

    Just in addition to @Castorix31 's answer, I just want to add something about how to use the ScrollBar.

    First, the IndicatorMode property is the key to show the scrollbar because the value influences transition animations that are part of the ScrollBar. The ScrollBar is a control which could receive scrolling events. It does not mean creating a ScrollBar will implement the scroll function automatically. You will need to handle the ScrollBar.Scroll Event by yourself. Then you could move the position of the target element like scrolling based on the scroll value of the scroll event. This will be complicated. I will suggest use ScrollViewer when it is required to have scroll function.

    Thank you.


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  1. Castorix31 83,106 Reputation points
    2022-11-17T18:53:36.547+00:00

    You must add too :

    IndicatorMode ="MouseIndicator"  
    

    (also are you sure the Left Margin is not too big (1254) ?

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