WindowsCommunityToolkit
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App Crash with GridSplitter Control in combination with a ListView
Describe the bug
WinUI 3 application throws an exception when you move the GridSplitter Control. This happens if you use a GridSplitter in combination with a ListView or a TreeView.
Regression
No response
Reproducible in sample app?
- [X] This bug can be reproduced in the sample app.
Steps to reproduce
1. Create a new WinUI3 Desktop Project (Blank App, Packaged)
2. Add CommunityToolkit.WinUI.UI.Controls nuget package (Version 7.1.2)
3. Edit MainWindow.xaml and add one ListView and one GridSplitter inside a Grid.
4. Add enough ListViewItems (e.g. 50) for the error to occur
Expected behavior
GridSplitter can be moved without any exception or crash of the application.
Screenshots
Windows Build Number
- [ ] Windows 10 1809 (Build 17763)
- [ ] Windows 10 1903 (Build 18362)
- [ ] Windows 10 1909 (Build 18363)
- [ ] Windows 10 2004 (Build 19041)
- [ ] Windows 10 20H2 (Build 19042)
- [ ] Windows 10 21H1 (Build 19043)
- [ ] Windows 11 21H2 (Build 22000)
- [ ] Other (specify)
Other Windows Build number
Windows 10 21H2 (Build 19044)
App minimum and target SDK version
- [ ] Windows 10, version 1809 (Build 17763)
- [ ] Windows 10, version 1903 (Build 18362)
- [ ] Windows 10, version 1909 (Build 18363)
- [ ] Windows 10, version 2004 (Build 19041)
- [ ] Other (specify)
Other SDK version
No response
Visual Studio Version
2022
Visual Studio Build Number
Version 17.2.5
Device form factor
Desktop
Nuget packages
- CommunityToolkit.WinUI.UI.Controls (7.1.2)
- Microsoft.Windows.SDK.BuildTools (10.0.22000.194)
- Microsoft.WindowsAppSDK (1.1.1)
Additional context
Sample Application: Splitter.zip
Help us help you
Yes, but only if others can assist.
Hello odp-remec, thank you for opening an issue with us!
I have automatically added a "needs triage" label to help get things started. Our team will analyze and investigate the issue, and escalate it to the relevant team if possible. Other community members may also look into the issue and provide feedback 🙌
@odp-remec can you try the new version of GridSplitter we have from Labs? See Preview Packages for setting up the Toolkit Labs feed, and then use the CommunityToolkit.Labs.WinUI.SizerBase
package. That one has at least be rebuilt and tested for the cursor change on top of WinUI 3 with WinAppSDK 1.0.3 (we haven't been able to update our labs environment to 1.1.x yet).
@michael-hawker thank you for your reply. I tested the new version of GridSplitter from CommunityToolkit.Labs.WinUI.SizerBase
Version 0.0.2
on my sample project. Unfortunately the error is also present there.
This bug has been fixed in the latest version of Winui (Winui 3 v1.1.4). For more information, see this post: https://github.com/microsoft/microsoft-ui-xaml/issues/7101
fixed in v1.1.4 of Microsoft.WindowsAppSDK