Mutex Check

App.xaml.cs

@@ -4,6 +4,7 @@ using System.IO;
 using System.Windows;
 using System.Windows.Media;
 using System.Windows.Threading;
+using BrilliantSightClient.Model.Exceptions;
 using log4net;
 using log4net.Config;
 using BrilliantSightClient.Model.Helper;
@@ -17,13 +18,29 @@ namespace BrilliantSightClient;
 public partial class App : Application
 {
     private static readonly ILog Logger = LogManager.GetLogger(typeof(App));
+    
+    private static Mutex? _mutex = null;
+    
     protected override void OnStartup(StartupEventArgs e)
     {
+        const string appName = "BrilliantSight"; 
+        bool createdNew;
+        _mutex = new Mutex(true, $"Global\\{{{appName}}}", out createdNew);
+        if (!createdNew)
+        {
+            MessageBox.Show("An instance of this application is already running.", 
+                "BrilliantSight Is Running", 
+                MessageBoxButton.OK, 
+                MessageBoxImage.Warning);
+            Shutdown();
+            return;
+        }
         base.OnStartup(e);   
         //加载日志配置文件
         XmlConfigurator.Configure(new FileInfo("log4net.config"));
         Logger.Info("==== ==== ==== ==== ==== ==== ==== ====");
         Logger.Info("App Client Start: App Initialize");
+        
         Logger.Info("Loaded Logs Config: log4net.config");
         //运行是否需要归档
         Log4NetHelper.ArchiveOldLogs();
@@ -56,10 +73,17 @@ public partial class App : Application
         Logger.Info("App Client Start: App Initialize Succeed !!!");
         DispatcherUnhandledException += (s, ex) =>
         {
+            
             MessageBox.Show($"致命错误: {ex.Exception.Message}");
             Logger.Error($"发生致命错误！！！{ex.Exception.Message}{ex.Exception.StackTrace}");
             ex.Handled = true;
         };
         Logger.Info("==== ==== ==== ==== ==== ==== ==== ====");
     }
+    
+    protected override void OnExit(ExitEventArgs e)
+    {
+        _mutex?.ReleaseMutex();
+        base.OnExit(e);
+    }
 }

MainWindow.xaml.cs

@@ -1,5 +1,7 @@
 using System.ComponentModel;
+using System.Diagnostics;
 using System.IO;
+using System.Reflection;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Input;
@@ -11,6 +13,7 @@ using HandyControl.Tools;
 using log4net;
 using log4net.Config;
 using BrilliantSightClient.Model.Attributes;
+using BrilliantSightClient.Model.Exceptions;
 using BrilliantSightClient.Model.Helper;
 using BrilliantSightClient.Model.Services;
 using BrilliantSightClient.ViewModel;
@@ -158,9 +161,8 @@ public partial class MainWindow
         {
             SOCClientService.Service.OpenPump(false);
             DataBaseHelper.CloseConnection();
-            // this.Close();
-            //Environment.Exit(0);
-            Console.WriteLine("Shutdown");
+            Logger.Info("Shutdown");
+            ProcessHelper.TerminateProcessByName(Process.GetCurrentProcess().ProcessName);
             Application.Current.Shutdown();
         }
         e.Cancel = true;

Model/Exceptions/ActiveCloseException.cs

@@ -0,0 +1,9 @@
+namespace BrilliantSightClient.Model.Exceptions;
+
+public class ActiveCloseException : Exception
+{
+    public ActiveCloseException()
+    {
+      
+    }
+}

Model/Helper/ProcessHelper.cs

@@ -0,0 +1,44 @@
+using System.Diagnostics;
+using System.Runtime.InteropServices;
+
+namespace BrilliantSightClient.Model.Helper;
+
+public class ProcessHelper
+{
+    
+
+
+    private static extern bool CloseHandle(IntPtr hObject);
+
+    // 进程访问权限
+    private const int PROCESS_TERMINATE = 0x0001;
+
+    // 根据进程名查找并终止进程
+    public static void TerminateProcessByName(string processName)
+    {
+        try
+        {
+            Process[] processes = Process.GetProcessesByName(processName);
+
+            foreach (Process process in processes)
+            {
+                try
+                {
+                    process.Kill();
+                    process.WaitForExit();
+                }
+                catch (Exception ex)
+                {
+                    // 可以选择记录错误但不显示给用户
+                    Debug.WriteLine($"结束进程出错: {ex.Message}");
+                }
+            }
+            
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"查找进程时出错: {ex.Message}");
+        }
+    }
+
+}