Merge pull request #220 from AvaloniaUI/fixes/scroll-anchor-unregister

Unregister anchor candidates on unrealize.
AvaloniaUI · Sep 30, 2023 · bbe7806 · bbe7806
2 parents d45db09 + 9cccb9f
commit bbe7806
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/Avalonia.Controls.TreeDataGrid/Primitives/TreeDataGridPresenterBase.cs b/src/Avalonia.Controls.TreeDataGrid/Primitives/TreeDataGridPresenterBase.cs
@@ -655,6 +655,7 @@ private void RecycleElement(Control element, int index)
                 UnrealizeElement(element);
                 element.IsVisible = false;
                 ElementFactory!.RecycleElement(element);
+                _scrollViewer?.UnregisterAnchorCandidate(element);
             }
         }
 
@@ -663,6 +664,7 @@ private void RecycleElementOnItemRemoved(Control element)
             UnrealizeElementOnItemRemoved(element);
             element.IsVisible = false;
             ElementFactory!.RecycleElement(element);
+            _scrollViewer?.UnregisterAnchorCandidate(element);
         }
 
         private void TrimUnrealizedChildren()