Fix scrollbar getting stuck in certain situations #11233
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If an ancestor control results in a control not being arranged, then we need to queue that control for another arrange pass after the next measure pass. Fixes #7706.
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maxkatz6
approved these changes
May 4, 2023
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What does the pull request do?
Fixes a problem in the layout manager whereby if ancestor measure was invalidated in a certain order during the arrange pass then the control would be removed from the arrange queue before it was actually arranged causing issues such as the scrollbar getting stuck in #7706.
If an ancestor control results in a control not being arranged, then we need to queue that control for another arrange pass after the next measure pass.
Fixed issues
Fixes #7706
Fixes AvaloniaUI/Avalonia.Controls.TreeDataGrid#174