From 4fb73c155ba627c4d4df388676b77f829eef0400 Mon Sep 17 00:00:00 2001
From: CJKmkp <2564608840@qq.com>
Date: Sat, 20 Dec 2025 18:11:27 +0800
Subject: [PATCH] =?UTF-8?q?improve:PPT=E7=BF=BB=E9=A1=B5=E6=89=93=E6=96=AD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Ink Canvas/Helpers/PPTManager.cs   | 52 ++++++++++++++++++++++++++++--
 Ink Canvas/MainWindow_cs/MW_PPT.cs |  2 +-
 2 files changed, 51 insertions(+), 3 deletions(-)

diff --git a/Ink Canvas/Helpers/PPTManager.cs b/Ink Canvas/Helpers/PPTManager.cs
index 732409ad..a104508e 100644
--- a/Ink Canvas/Helpers/PPTManager.cs	
+++ b/Ink Canvas/Helpers/PPTManager.cs	
@@ -1,4 +1,5 @@
 using Microsoft.Office.Interop.PowerPoint;
+using Microsoft.Office.Core;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
@@ -718,7 +719,7 @@ namespace Ink_Canvas.Helpers
             }
         }
 
-        public bool TryNavigateNext()
+        public bool TryNavigateNext(bool skipAnimations = false)
         {
             try
             {
@@ -729,7 +730,54 @@ namespace Ink_Canvas.Helpers
                 if (slideShowWindow?.View != null)
                 {
                     slideShowWindow.Activate();
-                    slideShowWindow.View.Next();
+
+                    var view = slideShowWindow.View;
+                    var currentPosition = 0;
+                    var totalSlides = 0;
+
+                    try
+                    {
+                        currentPosition = view.CurrentShowPosition;
+                        totalSlides = slideShowWindow.Presentation?.Slides?.Count ?? 0;
+                    }
+                    catch
+                    {
+                    }
+
+                    try
+                    {
+                        view.Next();
+                    }
+                    catch (Exception ex)
+                    {
+                        LogHelper.WriteLogToFile($"调用下一页失败: {ex}", LogHelper.LogType.Warning);
+                    }
+
+                    if (skipAnimations && currentPosition > 0 && totalSlides > 0)
+                    {
+                        int positionAfterNext = currentPosition;
+                        try
+                        {
+                            positionAfterNext = view.CurrentShowPosition;
+                        }
+                        catch
+                        {
+                        }
+
+                        if (positionAfterNext == currentPosition && currentPosition < totalSlides)
+                        {
+                            try
+                            {
+                                view.GotoSlide(currentPosition + 1, MsoTriState.msoTrue);
+                                return true;
+                            }
+                            catch (Exception ex)
+                            {
+                                LogHelper.WriteLogToFile($"强制跳转到下一页失败: {ex}", LogHelper.LogType.Warning);
+                            }
+                        }
+                    }
+
                     return true;
                 }
                 return false;
diff --git a/Ink Canvas/MainWindow_cs/MW_PPT.cs b/Ink Canvas/MainWindow_cs/MW_PPT.cs
index 40421c05..62f3ba06 100644
--- a/Ink Canvas/MainWindow_cs/MW_PPT.cs	
+++ b/Ink Canvas/MainWindow_cs/MW_PPT.cs	
@@ -1533,7 +1533,7 @@ namespace Ink_Canvas
                         strokesToSave = inkCanvas.Strokes.Clone();
                     }
 
-                    if (_pptManager?.TryNavigateNext() == true)
+                    if (_pptManager?.TryNavigateNext(skipAnimations: true) == true)
                     {
                         var currentSlideAfterNavigate = _pptManager?.GetCurrentSlideNumber() ?? 0;