From cf38013413f87adb9d505fc610706294d07fe298 Mon Sep 17 00:00:00 2001
From: Shreyas Zare <shreyas@technitium.com>
Date: Sat, 12 Nov 2022 15:33:53 +0530
Subject: [PATCH] DnsServerSystemTrayApp.Program: updated code to support exit
 app option.

---
 DnsServerSystemTrayApp/Program.cs | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

diff --git a/DnsServerSystemTrayApp/Program.cs b/DnsServerSystemTrayApp/Program.cs
index b3b1d124..b791a61b 100644
--- a/DnsServerSystemTrayApp/Program.cs
+++ b/DnsServerSystemTrayApp/Program.cs
@@ -1,6 +1,6 @@
 /*
 Technitium DNS Server
-Copyright (C) 2021  Shreyas Zare (shreyas@technitium.com)
+Copyright (C) 2022  Shreyas Zare (shreyas@technitium.com)
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -62,17 +62,31 @@ namespace DnsServerSystemTrayApp
 
             _app = new Mutex(true, MUTEX_NAME, out bool createdNewMutex);
 
+            bool exitApp = false;
+
             if (!createdNewMutex)
             {
-                MessageBox.Show("Technitium DNS Server system tray app is already running.", "Already Running!", MessageBoxButtons.OK, MessageBoxIcon.Information);
-                return;
+                if (args.Length == 0)
+                {
+                    MessageBox.Show("Technitium DNS Server system tray app is already running.", "Already Running!", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                    return;
+                }
+                else
+                {
+                    exitApp = true;
+                }
             }
 
             #endregion
 
             string configFile = Path.Combine(Path.GetDirectoryName(APP_PATH), "SystemTrayApp.config");
 
-            Application.Run(new MainApplicationContext(configFile, args));
+            MainApplicationContext mainApp = new MainApplicationContext(configFile, args, ref exitApp);
+
+            if (exitApp)
+                mainApp.Dispose();
+            else
+                Application.Run(mainApp);
         }
 
         public static void RunAsAdmin(string args)