#61 fix bug caused by negative offset

sbaeumlisberger · Jul 10, 2024 · 3e78d23 · 3e78d23
1 parent b262c74
commit 3e78d23
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/src/VirtualizingWrapPanel/VirtualizingWrapPanel.cs b/src/VirtualizingWrapPanel/VirtualizingWrapPanel.cs
@@ -340,7 +340,7 @@ private Rect GetViewportFromGroupItem(IHierarchicalVirtualizationAndScrollInfo g
             if (Orientation == Orientation.Horizontal)
             {
                 viewportY = Math.Max(0, viewportY - groupItem.HeaderDesiredSizes.PixelSize.Height);
-                double visibleHeaderHeight = Math.Max(0, groupItem.HeaderDesiredSizes.PixelSize.Height - groupItem.Constraints.Viewport.Location.Y);
+                double visibleHeaderHeight = Math.Max(0, groupItem.HeaderDesiredSizes.PixelSize.Height - Math.Max(0, groupItem.Constraints.Viewport.Location.Y));
                 viewporteHeight = Math.Max(0, viewporteHeight - visibleHeaderHeight);
             }
             else 

diff --git a/src/VirtualizingWrapPanel/VirtualizingWrapPanel.csproj b/src/VirtualizingWrapPanel/VirtualizingWrapPanel.csproj
@@ -9,7 +9,7 @@
 
     <PropertyGroup>
         <title>VirtualizingWrapPanel</title>
-        <Version>2.0.9</Version>
+        <Version>2.0.10</Version>
         <Authors>S. Bäumlisberger</Authors>
         <Copyright>© S. Bäumlisberger</Copyright>
         <Description>Implementation of a comprehensive VirtualizingWrapPanel for WPF.</Description>