From ea274841033a98e656ade0d5c8b5fe7b1b16e6c4 Mon Sep 17 00:00:00 2001
From: Andrey Kunchev <donandren@gmail.com>
Date: Mon, 26 Nov 2018 02:43:04 +0200
Subject: [PATCH] fix #2106 scroll to last in listbox not working sometimes

---
 src/Avalonia.Controls/Presenters/ItemVirtualizerSimple.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Avalonia.Controls/Presenters/ItemVirtualizerSimple.cs b/src/Avalonia.Controls/Presenters/ItemVirtualizerSimple.cs
index b177dc50cf..670150dd30 100644
--- 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;
                 }