DIspose添加

ADP/ViewModels/ShellViewModel.cs

@@ -678,10 +678,6 @@ namespace ADP.ViewModels
                 }
             }
 
-            _globalInfo.ContextDic.Remove(targetRegionName);
-            _globalInfo.StepRunningDic.Remove(targetRegionName);
-            _globalInfo.ScopeDic.Remove(targetRegionName);
-
            var parameters = new NavigationParameters { { "Name", targetRegionName } };
             _regionManager.RequestNavigate(targetRegionName, "ProtocolStartView", parameters);
             _eventAggregator.GetEvent<ExpandViewEvent>().Publish("");

MainModule/ViewModels/AutomatedTestingViewModel.cs

@@ -79,20 +79,34 @@ namespace MainModule.ViewModels
 
         public void Dispose()
         {
+            // 1. 如果 TestStatus 为空，说明还没走到 OnNavigatedTo 赋值，直接释放 scope 即可
             if (string.IsNullOrEmpty(TestStatus))
             {
                 _scope?.Dispose();
                 return;
             }
+
             try
             {
+                // 2. 显式释放硬件资源（防止端口占用/死锁）
+                if (_deviceManager is IDisposable disposableDevice)
+                {
+                    disposableDevice.Dispose();
+                }
+                (CommandTreeVM as IDisposable)?.Dispose();
+                (StepsManagerVM as IDisposable)?.Dispose();
+                (SingleStepEditVM as IDisposable)?.Dispose();
+                (LogAreaVM as IDisposable)?.Dispose();
+                (ParametersManagerVM as IDisposable)?.Dispose();
+
                 _globalInfo.ContextDic?.Remove(TestStatus);
                 _globalInfo.StepRunningDic?.Remove(TestStatus);
                 _globalInfo.ConfigDic?.Remove(TestStatus);
+                _globalInfo.ScopeDic?.Remove(TestStatus); 
             }
             catch (Exception ex)
             {
-                Logger.LoggerHelper.ErrorWithNotify($"卸载机台 [{TestStatus}] 全局引用失败: {ex.Message}");
+                Logger.LoggerHelper.ErrorWithNotify($"卸载机台 [{TestStatus}] 全局引用或资源失败: {ex.Message}");
             }
             finally
             {

SettingModule/ViewModels/SettingViewModel.cs

@@ -84,7 +84,19 @@ namespace SettingModule.ViewModels
 
         public void Dispose()
         {
-            _scope?.Dispose();
+            try
+            {
+                if (DeviceList != null)
+                {
+                    DeviceList = null!;
+                }
+                SelectedDevice = null;
+                _scopedContext = null!;
+            }
+            catch (Exception ex)
+            {
+                Logger.LoggerHelper.ErrorWithNotify($"释放配置管理组件（SettingViewModel）资源失败: {ex.Message}");
+            }
         }
 
         #region 命令
@@ -191,5 +203,6 @@ namespace SettingModule.ViewModels
             }
         }
         #endregion
+       
     }
 }

TestingModule/ViewModels/CommandTreeViewModel.cs

@@ -24,7 +24,7 @@ using NLog;
 
 namespace TestingModule.ViewModels
 {
-    public class CommandTreeViewModel:NavigateViewModelBase
+    public class CommandTreeViewModel:NavigateViewModelBase,IDisposable
     {
         #region 属性
         private string _SearchText;
@@ -108,7 +108,25 @@ namespace TestingModule.ViewModels
             ReloadCommand = new DelegateCommand(Reload);
         }
 
-
+        public void Dispose()
+        {
+            try
+            {
+                _ScopedContext = null!;
+                InstructionTree?.Clear();
+                SubPrograms?.Clear();
+                TreeNodeMap?.Clear();
+                XmlDocumentCache?.Clear();
+                InstructionTree = null!;
+                SubPrograms = null!;
+                TreeNodeMap = null!;
+                XmlDocumentCache = null!;
+            }
+            catch (Exception ex)
+            {
+                LoggerHelper.Error($"清理指令树缓存失败: {ex.Message}");
+            }
+        }
         #region 委托命令
         private void Reload()
         {
@@ -584,6 +602,8 @@ namespace TestingModule.ViewModels
             }
         }
 
+        
+
         #endregion
 
     }

TestingModule/ViewModels/LogAreaViewModel.cs

@@ -11,12 +11,11 @@ using UIShare.ViewModelBase;
 
 namespace TestingModule.ViewModels
 {
-    public class LogAreaViewModel : NavigateViewModelBase
+    public class LogAreaViewModel : NavigateViewModelBase, IDisposable
     {
         // 日志集合
         private ObservableCollection<LogItem> _logs = new();
 
-       
         public ObservableCollection<LogItem> Logs
         {
             get => _logs;
@@ -27,18 +26,42 @@ namespace TestingModule.ViewModels
         public LogAreaViewModel(IContainerProvider containerProvider) : base(containerProvider)
         {
             ClearLogCommand = new DelegateCommand(ClearLog);
+
+            // 2. 保持原有逻辑，但请确保在 Dispose 中对其进行清理
             LoggerHelper.Progress = new System.Progress<(string message, string color, int depth)>(
                log =>
                {
+                   // 增加防御性代码：防止进入销毁流程时异步回调引发空引用异常
+                   if (Logs == null) return;
+
                    var brush = (Brush)new BrushConverter().ConvertFromString(log.color);
                    Logs.Add(new LogItem(log.message, brush, log.depth));
                });
         }
 
-
         private void ClearLog()
+        {
+            Logs?.Clear();
+        }
+
+        /// <summary>
+        /// 完善后的资源释放方法
+        /// </summary>
+        public void Dispose()
+        {
+            try
+            {
+                LoggerHelper.Progress = null!;
+                if (Logs != null)
                 {
                     Logs.Clear();
+                    Logs = null!; 
+                }
+            }
+            catch (Exception ex)
+            {
+                Logger.LoggerHelper.ErrorWithNotify($"释放日志组件（LogAreaViewModel）资源失败: {ex.Message}");
+            }
         }
     }
 

TestingModule/ViewModels/ParametersManagerViewModel.cs

@@ -12,7 +12,7 @@ using Prism.Events;
 
 namespace TestingModule.ViewModels
 {
-    public class ParametersManagerViewModel:NavigateViewModelBase
+    public class ParametersManagerViewModel:NavigateViewModelBase, IDisposable
     {
         #region 属性
         //private ObservableCollection<DeviceConfigModel> _DeviceList;
@@ -160,6 +160,24 @@ namespace TestingModule.ViewModels
 
 
         #endregion
-     
+        public void Dispose()
+        {
+            try
+            {
+                DeviceInfoVM?.Clear();
+                DeviceInfoVM = null!;
+                SelectedParameter = null!;
+                SelectedDevice = null!;
+                if (_ScopedContext != null)
+                {
+                    _ScopedContext.SelectedParameter = null;
+                    _ScopedContext = null!;
+                }
+            }
+            catch (Exception ex)
+            {
+                Logger.LoggerHelper.Error($"释放参数管理组件（ParametersManagerViewModel）资源失败: {ex.Message}");
+            }
+        }
     }
 }

TestingModule/ViewModels/SingleStepEditViewModel.cs

@@ -18,7 +18,7 @@ using UIShare.GlobalVariable;
 
 namespace TestingModule.ViewModels
 {
-    public class SingleStepEditViewModel:NavigateViewModelBase
+    public class SingleStepEditViewModel:NavigateViewModelBase,IDisposable
     {
         #region 属性
         private Guid _ID;
@@ -196,6 +196,26 @@ namespace TestingModule.ViewModels
             SelectedStep = new StepVM(_ScopedContext.SelectedStep);
         }
         #endregion
+        public void Dispose()
+        {
+            try
+            {
+                // 1. 【核心修复】必须严格退订所有全局 Prism 事件
+                _eventAggregator?.GetEvent<EditSetpEvent>()?.Unsubscribe(EditSingleStep);
+                _eventAggregator?.GetEvent<DeletedStepEvent>()?.Unsubscribe(DisposeSelectedStep);
+                _eventAggregator?.GetEvent<ParamsChangedEvent>()?.Unsubscribe(ParamsChanged);
+
+                // 2. 清空当前正在编辑的步骤副本，断开前台绑定，防止 UI 视图树悬挂
+                SelectedStep = null!;
+
+                // 3. 断开对工位隔离上下文的强引用
+                _ScopedContext = null!;
+            }
+            catch (Exception ex)
+            {
+                LoggerHelper.Error($"释放单步编辑组件（SingleStepEditViewModel）资源失败: {ex.Message}");
+            }
+        }
 
     }
 }

TestingModule/ViewModels/StepsManagerViewModel.cs

@@ -17,7 +17,7 @@ using Prism.Events;
 
 namespace TestingModule.ViewModels
 {
-    public class StepsManagerViewModel:NavigateViewModelBase
+    public class StepsManagerViewModel:NavigateViewModelBase, IDisposable
     {
         #region 属性
         private string _Title;
@@ -231,7 +231,50 @@ namespace TestingModule.ViewModels
             }
         }
 
+
+
         #endregion
+        public void Dispose()
+        {
+            try
+            {
+                // 1. 【核心修复】必须取消订阅 CollectionChanged 事件，否则 VM 永远无法被释放
+                if (Program != null)
+                {
+                    if (Program.StepCollection != null)
+                    {
+                        Program.StepCollection.CollectionChanged -= StepCollection_CollectionChanged;
+                    }
+                    if (Program.ErrorStepCollection != null)
+                    {
+                        Program.ErrorStepCollection.CollectionChanged -= StepCollection_CollectionChanged;
+                    }
+                }
+
+                // 2. 【核心修复】必须显式退订 Prism 全局事件（AlarmEvent）
+                // 注意：因为订阅时使用的是匿名 Lambda，最安全稳妥的退订方式是把整个事件上的当前 VM 订阅者全部注销
+                _eventAggregator?.GetEvent<AlarmEvent>()?.Unsubscribe(null);
+
+                // 3. 清空临时缓存集合与 UI 绑定列表，避免悬挂指针
+                tmpCopyList?.Clear();
+                tmpCopyList = null!;
+
+                SelectedItems?.Clear();
+                SelectedItems = null!;
+
+                // 4. 清除选中项状态引用
+                SelectedStep = null;
+                if (_ScopedContext != null)
+                {
+                    _ScopedContext.SelectedStep = null;
+                    _ScopedContext = null!; // 断开上下文引用
+                }
+            }
+            catch (Exception ex)
+            {
+                Logger.LoggerHelper.Error($"释放步骤管理组件（StepsManagerViewModel）资源失败: {ex.Message}");
+            }
+        }
 
     }
 }