From 52541104fa0a7eb33a0722651f4219ddfff1d89d Mon Sep 17 00:00:00 2001
From: NaBian <836904362@qq.com>
Date: Sun, 2 Oct 2022 15:46:12 +0800
Subject: [PATCH] chore: close #1262

---
 src/Shared/HandyControl_Shared/Controls/Window/MessageBox.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Shared/HandyControl_Shared/Controls/Window/MessageBox.cs b/src/Shared/HandyControl_Shared/Controls/Window/MessageBox.cs
index 91a51991..8586d12d 100644
--- a/src/Shared/HandyControl_Shared/Controls/Window/MessageBox.cs
+++ b/src/Shared/HandyControl_Shared/Controls/Window/MessageBox.cs
@@ -457,7 +457,7 @@ public sealed class MessageBox : Window
         {
             Message = messageBoxText,
             Owner = ownerWindow,
-            WindowStartupLocation = WindowStartupLocation.CenterScreen,
+            WindowStartupLocation = ownerIsNull ? WindowStartupLocation.CenterScreen : WindowStartupLocation.CenterOwner,
             ShowTitle = true,
             Title = caption ?? string.Empty,
             Topmost = ownerIsNull,