From 8ccbb694dd3c00b5d28132620a47b0e9a3a975c7 Mon Sep 17 00:00:00 2001
From: 4qwerty7 <4qwerty7@163.com>
Date: Sun, 2 Jul 2023 05:10:44 +0800
Subject: [PATCH] [Registry Preview] Fix the issue of saving files without
 truncation (#27113)

---
 .../registrypreview/RegistryPreviewUI/MainWindow.Utilities.cs   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/modules/registrypreview/RegistryPreviewUI/MainWindow.Utilities.cs b/src/modules/registrypreview/RegistryPreviewUI/MainWindow.Utilities.cs
index 16916ae882b..4f85dcc0514 100644
--- a/src/modules/registrypreview/RegistryPreviewUI/MainWindow.Utilities.cs
+++ b/src/modules/registrypreview/RegistryPreviewUI/MainWindow.Utilities.cs
@@ -800,7 +800,7 @@ private void SaveFile()
                 FileStreamOptions fileStreamOptions = new FileStreamOptions();
                 fileStreamOptions.Access = FileAccess.Write;
                 fileStreamOptions.Share = FileShare.Write;
-                fileStreamOptions.Mode = FileMode.OpenOrCreate;
+                fileStreamOptions.Mode = FileMode.Create;
 
                 fileStream = new FileStream(App.AppFilename, fileStreamOptions);
                 StreamWriter streamWriter = new StreamWriter(fileStream, System.Text.Encoding.Unicode);