From dc1085e2457e7ff92111165b4eadd0d1c5bc8116 Mon Sep 17 00:00:00 2001
From: NaBian <836904362@qq.com>
Date: Mon, 31 Oct 2022 21:44:20 +0800
Subject: [PATCH] fix: close #1287

---
 src/Shared/HandyControl_Shared/Controls/Input/NumericUpDown.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Shared/HandyControl_Shared/Controls/Input/NumericUpDown.cs b/src/Shared/HandyControl_Shared/Controls/Input/NumericUpDown.cs
index b9c535dc..2e51d231 100644
--- a/src/Shared/HandyControl_Shared/Controls/Input/NumericUpDown.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Input/NumericUpDown.cs
@@ -49,6 +49,7 @@ public class NumericUpDown : Control
         {
             _textBox.PreviewKeyDown -= TextBox_PreviewKeyDown;
             _textBox.TextChanged -= TextBox_TextChanged;
+            _textBox.LostFocus -= TextBox_LostFocus;
         }
 
         base.OnApplyTemplate();