lepoco / lepoco/wpfui

Operating on a ListView control that uses VirtualizangWrapPanel will cause the view to automatically slide to the top

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bug
Dominant language
C#
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Description

Describe the bug

using VirtualizangWrapPanel on ListView.ItemsPanel, When I select an item in the ListView, the listview will automatically slide to the top

To Reproduce
        <ListView ItemsSource="{Binding StorageItems}">
            <ListView.ItemsPanel>
                <ItemsPanelTemplate>
                    <ui:VirtualizingWrapPanel ItemSize="320,230" />
                </ItemsPanelTemplate>
            </ListView.ItemsPanel>
            <ListView.ItemTemplate>
                <DataTemplate>
                    <StackPanel Width="320">
                        <Image Width="320"
                               Height="160"
                               Stretch="UniformToFill"
                               HorizontalAlignment="Center"
                               VerticalAlignment="Center"
                               Source="{Binding Thumbnail}" />
                        <TextBlock Text="{Binding Name}"
                                   TextWrapping="Wrap"
                                   TextTrimming="CharacterEllipsis" />
                    </StackPanel>
                </DataTemplate>
            </ListView.ItemTemplate>
        </ListView>
Expected behavior

The interface will not automatically slide to the top

Screenshots

No response

OS version

Windows 11 23H2 22631.3235

.NET version

.NET 8

WPF-UI NuGet version

3.0.0

Additional context

No response

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the issue with the provided ListView XAML, VirtualizingWrapPanel, and item selection on the stated WPF, Windows, and .NET versions. Trace the selection and scrolling behavior around the VirtualizingWrapPanel, and consider the issue done when selecting an item no longer moves the view to the top.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp
Domain
desktop
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
38/100

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