From 69ae0ffc71c050c05a0efc69a85e2b8043a3461f Mon Sep 17 00:00:00 2001
From: unknown <2564608840@qq.com>
Date: Fri, 18 Jul 2025 17:01:18 +0800
Subject: [PATCH] =?UTF-8?q?fix:=E8=A7=A6=E6=91=B8=E9=97=AE=E9=A2=98?=
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---
 Ink Canvas/MainWindow_cs/MW_TouchEvents.cs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Ink Canvas/MainWindow_cs/MW_TouchEvents.cs b/Ink Canvas/MainWindow_cs/MW_TouchEvents.cs
index 817ecdbe..d25e621f 100644
--- a/Ink Canvas/MainWindow_cs/MW_TouchEvents.cs	
+++ b/Ink Canvas/MainWindow_cs/MW_TouchEvents.cs	
@@ -316,6 +316,16 @@ namespace Ink_Canvas {
             ViewboxFloatingBar.IsHitTestVisible = true;
             BlackboardUIGridForInkReplay.IsHitTestVisible = true;
 
+            // 新增：几何绘制模式下，触摸抬手时自动落笔
+            if (drawingShapeMode != 0) {
+                var mouseArgs = new MouseButtonEventArgs(Mouse.PrimaryDevice, 0, MouseButton.Left)
+                {
+                    RoutedEvent = UIElement.MouseLeftButtonUpEvent,
+                    Source = inkCanvas
+                };
+                inkCanvas_MouseUp(inkCanvas, mouseArgs);
+            }
+
             //手势完成后切回之前的状态
             if (dec.Count > 1)
                 if (inkCanvas.EditingMode == InkCanvasEditingMode.None)