improve:尝试使用注册表方法禁用受保护的视图功能（不确定可用性）

Ink Canvas/MainWindow_cs/MW_PPT.cs

@@ -15,6 +15,7 @@ using System.Windows.Ink;
 using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Threading;
+using Microsoft.Win32;
 using Application = System.Windows.Application;
 using File = System.IO.File;
 using MessageBox = System.Windows.MessageBox;
@@ -68,6 +69,46 @@ namespace Ink_Canvas {
                     }
                 }
                 if (pptApplication == null) throw new Exception();
+
+                // Office安装检测及注册表操作
+                try {
+                    // 获取Office版本
+                    string officeVersion = pptApplication.Version;
+                    string regPath = $"Software\\Microsoft\\Office\\{officeVersion}\\Common\\Security";
+
+                    // 验证注册表路径有效性
+                    using (RegistryKey baseKey = Registry.CurrentUser.OpenSubKey(regPath)) {
+                        if (baseKey == null) {
+                            LogHelper.WriteLogToFile("注册表路径不存在: " + regPath, LogHelper.LogType.Warning);
+                            return;
+                        }
+
+                        // 备份注册表项
+                        string backupPath = Path.Combine(Settings.Automation.AutoSavedStrokesLocation, "RegistryBackups");
+                        if (!Directory.Exists(backupPath)) Directory.CreateDirectory(backupPath);
+                        string backupFile = Path.Combine(backupPath, $"SecurityBackup_{DateTime.Now:yyyyMMddHHmmss}.reg");
+                        using (StreamWriter sw = new StreamWriter(backupFile)) {
+                            sw.WriteLine($"Windows Registry Editor Version 5.00\n\n[{Registry.CurrentUser.Name}\\{regPath}]");
+                            foreach (string valueName in baseKey.GetValueNames()) {
+                                object value = baseKey.GetValue(valueName);
+                                sw.WriteLine($"\"{valueName}\"=dword:{((int)value):x8}");
+                            }
+                        }
+
+                        // 处理DisableProtectedView值
+                        using (RegistryKey key = Registry.CurrentUser.CreateSubKey(regPath, true)) {
+                            if (key.GetValue("DisableProtectedView") == null) {
+                                key.CreateSubKey(regPath, RegistryKeyPermissionCheck.ReadWriteSubTree);
+                                key.SetValue("DisableProtectedView", 1, RegistryValueKind.DWord);
+                            } else {
+                                key.SetValue("DisableProtectedView", 1, RegistryValueKind.DWord);
+                            }
+                        }
+                    }
+                } catch (Exception regEx) {
+                    LogHelper.WriteLogToFile("注册表操作失败: " + regEx.ToString(), LogHelper.LogType.Error);
+                }
+
                 StackPanelPPTControls.Visibility = Visibility.Visible;
             }
             catch (Exception ex) {