From 4f96de0e6b27235f5cc45d5c3d8b63cdb37ef35b Mon Sep 17 00:00:00 2001
From: luthfiampas <luthfi.personal@gmail.com>
Date: Tue, 16 Feb 2021 10:32:27 +0700
Subject: [PATCH] fix slow/delay TextBox selection

---
 src/Avalonia.Controls/Presenters/TextPresenter.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Avalonia.Controls/Presenters/TextPresenter.cs b/src/Avalonia.Controls/Presenters/TextPresenter.cs
index 6bbb1c13bf..3bec46a9ac 100644
--- a/src/Avalonia.Controls/Presenters/TextPresenter.cs
+++ b/src/Avalonia.Controls/Presenters/TextPresenter.cs
@@ -80,7 +80,9 @@ namespace Avalonia.Controls.Presenters
         static TextPresenter()
         {
             AffectsRender<TextPresenter>(SelectionBrushProperty, TextBlock.ForegroundProperty, 
-                                         SelectionForegroundBrushProperty, CaretBrushProperty);
+                                         SelectionForegroundBrushProperty, CaretBrushProperty,
+                                         SelectionStartProperty, SelectionEndProperty);
+            
             AffectsMeasure<TextPresenter>(TextProperty, PasswordCharProperty, RevealPasswordProperty, 
                 TextAlignmentProperty, TextWrappingProperty, TextBlock.FontSizeProperty,
                 TextBlock.FontStyleProperty, TextBlock.FontWeightProperty, TextBlock.FontFamilyProperty);