From 8db082465935808d588d4101c5f80f7e8a2eeeb7 Mon Sep 17 00:00:00 2001
From: muqing <1966944300@qq.com>
Date: Fri, 19 Jul 2024 15:58:15 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E9=87=8D=E5=A4=8D=E5=90=AF?=
 =?UTF-8?q?=E5=8A=A8=E7=9A=84=E9=97=AE=E9=A2=98?=
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---
 RustTools/App.xaml.cs | 32 +++++++++++++++++++++++++++++++-
 1 file changed, 31 insertions(+), 1 deletion(-)

diff --git a/RustTools/App.xaml.cs b/RustTools/App.xaml.cs
index 20135b9..95beea7 100644
--- a/RustTools/App.xaml.cs
+++ b/RustTools/App.xaml.cs
@@ -1,4 +1,5 @@
-using Microsoft.Extensions.DependencyInjection;
+using System.Threading;
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Microsoft.UI.Xaml;
 
@@ -11,6 +12,7 @@ using RustTools.Models;
 using RustTools.Services;
 using RustTools.ViewModels;
 using RustTools.Views;
+using System.Threading;
 
 namespace RustTools;
 
@@ -45,6 +47,11 @@ public partial class App : Application
     public App()
     {
         InitializeComponent();
+        System.Diagnostics.Process[] myProcesses = System.Diagnostics.Process.GetProcessesByName("RustTools");//获取指定的进程名   
+        if (myProcesses.Length > 1) //如果可以获取到知道的进程名则说明已经启动
+        {
+            Exit();              //关闭系统
+        }
 
         Host = Microsoft.Extensions.Hosting.Host.
         CreateDefaultBuilder().
@@ -104,4 +111,27 @@ public partial class App : Application
 
         await App.GetService<IActivationService>().ActivateAsync(args);
     }
+
+    private Mutex mutex;
+    private void InitializeMutex()
+    {
+        // Mutex name should be unique for your application.
+        string mutexName = "Global\\MyWinUIAppMutex";
+        bool createdNew;
+
+        // Try to create the Mutex. If it fails, another instance is already running.
+        mutex = new Mutex(true, mutexName, out createdNew);
+        if (!createdNew)
+        {
+            // Another instance is already running.
+            Environment.Exit(0); // Exit the current application.
+        }
+
+        // Clean up the Mutex when the application exits.
+        //Current.Exiting += (sender, args) =>
+        //{
+        //    mutex.Close();
+        //    mutex.Dispose();
+        //};
+    }
 }