Add project files.

Services/WarningSoundManager.cs

@@ -0,0 +1,40 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace SafeBagDE70.Services
+{
+    internal class WarningSoundManager2
+    {
+        private static bool _isWarningActive = false;
+        private static Thread _warningSoundThread;
+
+        public static void StartWarningSound()
+        {
+            if (!_isWarningActive)
+            {
+                _isWarningActive = true;
+                _warningSoundThread = new Thread(PlayWarningSound);
+                _warningSoundThread.IsBackground = true; // Ensure the thread stops when the application exits
+                _warningSoundThread.Start();
+            }
+        }
+
+        public static void StopWarningSound()
+        {
+            _isWarningActive = false;
+        }
+
+        private static void PlayWarningSound()
+        {
+            while (_isWarningActive)
+            {
+                Console.Beep(1200, 500); // Frequency: 1200 Hz, Duration: 500 ms
+                Thread.Sleep(500); // Pause for 500 ms before repeating for 100ms
+            }
+        }
+    }
+}