From 7eee02dc9476ddde87398d1c450dbfbc91ffa934 Mon Sep 17 00:00:00 2001
From: CJKmkp <2564608840@qq.com>
Date: Thu, 1 Jan 2026 18:21:28 +0800
Subject: [PATCH] =?UTF-8?q?improve:=E6=98=BE=E7=A4=BA=E7=94=BB=E7=AC=94?=
 =?UTF-8?q?=E5=85=89=E6=A0=87?=
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---
 Ink Canvas/MainWindow.xaml.cs              | 31 +++++++++++++++++++---
 Ink Canvas/MainWindow_cs/MW_TouchEvents.cs |  1 -
 2 files changed, 27 insertions(+), 5 deletions(-)

diff --git a/Ink Canvas/MainWindow.xaml.cs b/Ink Canvas/MainWindow.xaml.cs
index 6ea57aa4..9f8e702b 100644
--- a/Ink Canvas/MainWindow.xaml.cs	
+++ b/Ink Canvas/MainWindow.xaml.cs	
@@ -72,7 +72,8 @@ namespace Ink_Canvas
         // 全屏处理状态标志
         public bool isFullScreenApplied = false;
 
-
+        private static Cursor _cachedPenCursor = null;
+        private static readonly object _cursorLock = new object();
 
         #region Window Initialization
 
@@ -1363,9 +1364,31 @@ namespace Ink_Canvas
                 }
                 else if (canvas.EditingMode == InkCanvasEditingMode.Ink)
                 {
-                    var sri = Application.GetResourceStream(new Uri("Resources/Cursors/Pen.cur", UriKind.Relative));
-                    if (sri != null)
-                        canvas.Cursor = new Cursor(sri.Stream);
+                    if (_cachedPenCursor == null)
+                    {
+                        lock (_cursorLock)
+                        {
+                            if (_cachedPenCursor == null)
+                            {
+                                try
+                                {
+                                    var sri = Application.GetResourceStream(new Uri("Resources/Cursors/Pen.cur", UriKind.Relative));
+                                    if (sri != null)
+                                    {
+                                        _cachedPenCursor = new Cursor(sri.Stream);
+                                    }
+                                }
+                                catch (Exception ex)
+                                {
+                                    LogHelper.WriteLogToFile($"加载 Pen 光标资源失败: {ex.Message}", LogHelper.LogType.Error);
+                                }
+                            }
+                        }
+                    }
+                    if (_cachedPenCursor != null)
+                    {
+                        canvas.Cursor = _cachedPenCursor;
+                    }
                 }
 
                 // 确保光标可见，无论是鼠标、触控还是手写笔
diff --git a/Ink Canvas/MainWindow_cs/MW_TouchEvents.cs b/Ink Canvas/MainWindow_cs/MW_TouchEvents.cs
index a544c5cf..76e93cb9 100644
--- a/Ink Canvas/MainWindow_cs/MW_TouchEvents.cs	
+++ b/Ink Canvas/MainWindow_cs/MW_TouchEvents.cs	
@@ -418,7 +418,6 @@ namespace Ink_Canvas
                 }
                 catch { }
 
-                SetCursorBasedOnEditingMode(inkCanvas);
 
                 var strokeVisual = GetStrokeVisual(e.StylusDevice.Id);
                 var stylusPointCollection = e.GetStylusPoints(this);