fix #2106 scroll to last in listbox not working sometimes

8 years ago · ea27484103
1 changed files with 2 additions and 2 deletions
--- a/src/Avalonia.Controls/Presenters/ItemVirtualizerSimple.cs
+++ b/src/Avalonia.Controls/Presenters/ItemVirtualizerSimple.cs
@ -517,7 +517,7 @@ namespace Avalonia.Controls.Presenters

            if (index >= 0 && index < ItemCount)
            {
-                if (index < FirstIndex)
+                if (index <= FirstIndex)
                {
                    newOffset = index;
                }
@ -525,7 +525,7 @@ namespace Avalonia.Controls.Presenters
                {
                    newOffset = index - Math.Ceiling(ViewportValue - 1);
                }
-                else if (OffsetValue + ViewportValue >= ItemCount)
+                else if (OffsetValue + ViewportValue > ItemCount)
                {
                    newOffset = OffsetValue - 1;
                }